He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
| A．why | B．how | C．because | D．whether |
This is the third book that he has written in the past five years , the first of ____ I really enjoyed.
| A．those | B．that | C．which | D．them |
He began to take political science _________ only when he left school.
| A．strictly | B．truly | C．carefully | D．seriously |
Yesterday I went to see him, _________ that he had gone abroad two days before.
| A．only to learn | B．to learn only | C．only learned | D．only learning |
. ----Sorry, sir! Your flight has taken off five minutes earlier.
----____________. I wasn’t informed of that at all.
| A．You must take charge of it. | B．Wait for your punishment. |
| C．I’d like a refund, please. | D．I won’t agree with that. |
. The bank is reported in the local newspaper_____ in broad daylight yesterday.
| A．being robbed | B．having been robbed |
| C．to have been robbed | D．robbed |