1.On the highway,all the cars are not allowed ___ any passengers.
A.get up B.to pick up C.to get up D.pick up
2.I made some mistakes during the dinner.I ___ what I was supposed to do.
A.should ask B.have asked C.should have asked D.waas asked
3.I also don't know what I am supposed to do,but I think you'd better___ it.
A.not miss B.to miss C.not to miss D.miss
4.On Sundays I usually hang out in the library,___ many interesting books.
A.enjoy reading B.enjoying reading C.enjoy read D.enjoys reading
5.They ___ studying for the test,though they felt a little tired.
A.would rather B.carried on C.stressed out D.gave up