I really regret _______ to the party with you last night.
| A．not to go | B．not going | C．not go | D．not went |
Was the test difficult? Not at all.We found ___
| A．it very easy for doing | B．very easy to do it | C．it very easy | D．very easy for it to do |
Did you see Xiao Li at the party? No, ___ by the time I arrived.
| A．she had left | B．she has left | C．she was left | D．she must left |
When do you think we will leave tomorrow? You had better __ ready at seven o’clock.
| A．to be | B．be | C．being | D．been |
___ he said was quite surprising.
| A．That | B．What | C．Why | D．How |
___ entered the classroom when the bell rang.
| A．We hardly had | B．Hardly had we | C．Hardly we had | D．Had we hardly |