(2019原创)I'd like to go with you, ________ I have many other things to do.
A.and B.but C.or D.so
(2019原创)All students were doing their DIY work ________ the teacher came in.
A.when B.since C.before D.after
(2018邯郸二模)You must treat your school work seriously ________ you want to go to the key senior high school.
A.unless B.if C.though D.because
(2018秦皇岛二模) My mother has taught in this school ________ our family moved to this city.
A.for B.until C.because D.since
(2018张家口桥西区一模)It was dark at that time, ________ I couldn't see what had happened.
A.and B.but C.or D.so
(2018石家庄一模)We should give the boy another chance ________ he has made a mistake.
A.though B.when C.unless D.because
