Mary realized she ________.
| A．was playing a joke about | B．was making fun of |
| C．was being laughed at | D．was made fun |
___________ a reply, he decided to write again.
| A．Receiving not | B．Not receiving | C．Not having received | D．Having not received |
This is the material ________ in the laboratory tomorrow morning.
| A．tested | B．to be tested | C．being tested | D．will be tested |
.I’ll go to bed now. I am not ________ up late.
| A．addicted to stay | B．accustomed to stay |
| C．accustomed to staying | D．addicted to staying |
.The old man said the accident ___________ carless driving, so a lot of money should be paid by the driver.
| A．was due to | B．is due to | C．had due to | D．has due to |
It was in New Zealand _______ Elizabeth first met Mr. Smith.
| A．how | B．which | C．when | D．that |