Please do me a favor —______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
A.to invite | B.inviting | C.invite | D.invited |
He dressed up and went to the party as if ___________.
A.was invited | B.had been invited | C.invited | D.to be invited |
Scientist are not sure about the ___________ of water on the Mars.
A.occupation | B.existence | C.demand | D.treasure |
Don’t push me! __________ you know the truth right away?
A.Must | B.Could | C.Might | D.Would |
. He __________ full marks, but he was so careless as to make a spelling mistake.
A.must have gained | B.can have gained | C.could have gained | D.must gain |
Then I have learned there are a lot of troubles in our lives, but the problem is __________ they control you or you control them.
A.why | B.whether | C.that | D.what |