Since Claire had become attached to Tony, the robot needed _______________.
| A．to rebuild | B．to have rebuilt | C．being rebuilt | D．to be rebuilt |
Happy times usually pass quickly without.
| A．noticing | B．being noticed | C．having noticed | D．to be noticed |
---, but are you forgetting something?
--- Oh, my God. We haven’t fix our next meeting yet.
| A．I’m sure | B．I’m afraid so | C．Take care | D．Excuse me |
food is hard to find, few birds remain throughout the year.
| A．Although | B．Where | C．Unless | D．When |
The boss________company I worked in two years ago has________in solving such kind of problem.
| A．whose; many experiences | B．who; many experiences |
| C．whose; much experience | D．which; much experience |
The foreign guests ,____ by some artists , came out of the hall .
| A．following | B．to follow | C．followed | D．to be followed |