—How about going camping with us this weekend? —_____
A.Is that right? | B.I’d like to, but I have no time. |
C.What are you planning? | D.What’s for? |
Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students.
A.can; have to | B.may; can | C.has to; may | D.ought to; must |
Nowadays, _______ cars are more and more popular.
A.electronic | B.electric | C.electrical | D.electricity |
I don’t know why he ________ in the middle of a sentence.
A.broke off | B.broke out | C.broke down | D.broke up |
College graduates are offered lots of available jobs, ______, I believe, they can fully demonstrate their knowledge and competence.
A.where | B.which | C.that | D.what |
Scientists also have no idea how long it will be before all wild animals in the cages _____.
A.should be set free | B.will be set free | C.are set free | D.would be set free |