It’s the first time ______ he has helped us.
| A．that | B．before | C．when | D．who |
Recently a film was made _________ Premier Zhou Enlai.
| A．in charge of | B．in memory of | C．in search of | D．in case of |
— I have got a headache.
— No wonder. You in front of that computer too long.
| A．work | B．are working |
| C．have been working | D．worked |
The expert insisted that silkworms were first raised by a woman in is now Hebei Province.
| A．which | B．that | C．where | D．what |
My grandfather is as as a young man and hates sitting around doing nothing all day.
| A．enthusiastic | B．energetic | C．talkative | D．sensitive |
— I am afraid the task is too difficult for me, sir.
— , Linda. Just believe in yourself!
| A．No problem | B．That's all right |
| C．That's OK | D．Come on |