There was so serious a matter that I had no choice but _________ the police.
| A．called in | B．calling on | C．call for | D．to call in |
—How are you getting along with your studies?
—Not very well, ______．
| A．of course | B．I’m sure | C．I’m afraid | D．on the other hand |
Whenever we’re in ________, we should never lose ______ but try to think of the way out.
| A．the trouble; our hearts | B．troubles; hearts |
| C．trouble; heart | D．the trouble; the heart |
Is this factory ______ the foreign investors are going to visit next month?
| A．the one | B．that | C．where | D．What |
I couldn’t move my legs. It was ______ they were stuck to the floor.
| A．as if | B．so that | C．as long as | D．even if |
Can you tell me the name of the school ______ you visited last week?
| A．what | B．where | C．who | D．which |