_________ a certain doubt among the students as to the necessity of the work.
| A．It existed | B．There existed |
| C．They had | D．There had |
I’ve already ___ at the hotel.Can I put my luggage in your room for a while?
| A．checked out | B．checked off . | C．paid for | D．paid off |
His remarks on the subjects are much ___.
| A．in the point | B．to point | C．to a point | D．to the point |
Xiao Li said that he ____ in that small village then and didn't want to leave there.
| A．got used to live | B．was used to live | C．used to living | D．was used to living |
___ is believed ___ more and more people would fly to the moon in the future.
| A．That, like | B．This, as | C．It, that | D．Man, when |
This ____ of trousers ____ fit me. Please show me ____.
| A．suit, isn't , another | B．pair, doesn't , another pair | C．one, isn't . another one |
| D．kind, don't , another |