He seems too tired today, and I wonder__________ he got a good sleep last night.
| A．when | B．that | C．if | D．where |
She ought to stop working. She has a headache because she ______all day long.
| A．has been reading | B．had read | C．is reading | D．has been read |
Modern China is experiencing a completely new period ________ respect for
science and creativity has become the guiding principle of society.
| A．of which | B．where | C．in which | D．that |
I won't give you any help_____ you tell me the truth. It's none of my business.
| A．unless | B．since | C．as if | D．even though |
Lang Ping , who used to be captain of Chinese Women’s volleyball
team, ______volleyball in China for almost twenty years.
| A．have played | B．played | C．was playing | D．had played |
The number 5.12 is a special number,_________ that will be remembered by the Chinese forever.
| A．what | B．it | C．which | D．one |