The boss____________ the worker how to do it, or the accident couldn't have happened.
| A．can't have told | B．ought to tell |
| C．could have told | D．mustn't have told |
The workers who were late this morning _______ by the boss when I passed by the boss’ office.
| A．scolding | B．scolded | C．being scolded | D．were being scolded |
It was _________that Miss Wang had been to California and there she met Dr. White __________, who became her husband later.
| A．the first time, the first time | B．the first time, for the first time |
| C．for the first time, for the first time | D．for the first time, the first time |
How much time do you often spend _________ English every day?
| A．to practice speaking | B．practicing to speak |
| C．on practicing to speak | D．practicing speaking |
Dr. Frank failed many times but he finally _________ to find a successful way to solve the problem.
| A．broke through | B．put up | C．picked out | D．gave away |
It is said ______ vegetables and fruits are good to our health, apples and pears _________.
| A．that, including | B．what, including | C．that, included | D．what, included |