Many air flights _________because of the eruption of the volcano, in _______case, many passengers had no choice but to take a train.
| A．had been cancelled; which | B．have been cancelled; what |
| C．had been canceling; that | D．have been canceling; where |
It is ______taking the trouble ______a job fully to new employees.
| A．worthy; explaining | B．worthwhile; to explain | C．worthy; to explain | D．worthwhile; explaining |
Will you go swimming with me this weekend?
--_____________
| A．All depend | B．It depends | C．It depends on | D．All depends on |
Thanks for giving me ______ advice, but it’s difficult ______ me to carry it out.
| A．such a good; for | B．so good; for | C．such good; for | D．so good a; for |
If you ____________ Mary, ask her to come and see me.
| A．lose sight of | B．catch sight of |
| C．are in the sight of | D．are at the sight of |
It was in the university ten years ago, _________ they met in September for the first time, _________ they fell in love with each other.
| A．that; when | B．when; that | C．that; where | D．where; that |