连词&amp介词专项练习

连词 单项填空 请从每题所给的选项中选出可以填入空白处的最佳答案。 1.[2019黑龙江绥化]I think youll miss the train ______you hurry up. A．ifB．andC．unless 2.[2019贵州毕节]Bill，stop smoking，______ youll get better soon. A．but C．or B．after D．and 3.[2019甘肃武威]______it rained a lot，we enjoyed our holiday. A．Although C．Unless B．Because D．However 4.[2019山东菏泽]______my grandpa is over 80 years old ， he still looks strong and healthy. A．Although C．Unless 5.[2019内蒙古包头]Give me your email address，______Ill send you the . A．orB．andC．butD．nor B．Because 6.[2019辽宁铁岭]Mr Smith knows a lot about China ______he has never been to our country. A．although C．if B．until D．since 7.[2019辽宁葫芦岛]As students， we must study hard.______ ， we should care for our health. A．At the same time B．On the one hand C．All in all D．In the end 8.[2019辽宁葫芦岛]The football fans cheered ______they heard the exciting news. A．even though C．as soon as B．in order that D．as long as 9.[2019广西河池]I know her face______I cant remember her name. A．and C．so B．but D．or 10.[2019河南]Before you ask someone for help ，find out ______ he is the right person for your problem. A．since C．whether B．that D．unless 11.[2019 山西]You cant decide whether or not you like something until you try it，______ its important to try something new. A．butB．orC．so 12.[2019云南昆明]______we continue to kill elephants for their ivory ， we humans will lose them in the end. A．If C．Until B．Before D．Although 13.[2019四川凉山]In summer，food will go bad quickly ______ we put it into a fridge. A．if C．as soon as B．unless D．when 14.[2019山东临沂]A break between classes is a good time for students to play sports and talk with their classmates.So it ______helps with students health， ______improves their social skills. A．either；or B．neither；nor C．not only；but also 15.[2019山东临沂]A recent survey shows that 44 percent of Americans want to use selfdriving cars，______34 percent believe that they will make the roads more dangerous. A．although C．if 16.[2019江苏扬州 ]Facial recognition人脸识别 technology is widely used for payment.______ ，we neednt enter the passwords any more. A．For example C．Whats worse B．As a result D．Whats more B．because 17.[2019福建]______ its a public holiday today，some firefighters in our city are still on duty. A．Although C．If 18.[2019江苏宿迁]Santaishan Forest Park is ______beautiful that it has become a hot tourist attraction. A．so C．such B．very D．quite B．Once 19.[2019黑龙江哈尔滨]Which sport do you prefer，volleyball ______ basketball I prefer volleyball. A．orB．andC．but 20.[2016上海]The flight was delayed by the storm，______the passengers had to wait at the airport. A．but C．so B．or D．for 21.[2016陕西]The dress is really beautiful ，______it is too small for me. A．orB．butC．soD．and 22.[2016河北]Victoria，hurry up______we cant arrive there on time. A．Or C．But B．So D．And 23.[2016江西]Last night， the shop was closed ______ she didnt buy any chocolate. A．so C．or B．if D．when 24.[2016黑龙江哈尔滨]I want to travel to the Black Bear Island ne