— Did you know any Chinese, Joyce, before you arrived in Beijing?
— In fact, never _______ it.
| A．have I learned | B．I have learned | C．had I learned | D．I had learned |
__________at the door before you enter the office，or you’ll be considered impolite
| A．Knocking | B．Knocked | C．Knock | D．To knock |
It was March 14th．2013__________Xi Jin ping was elected chairman of the People’s Republic of China
| A．in which | B．that | C．until | D．when |
Camacho，the former Chinese football coach，__________ in China between 2011 and 2013
| A．have worked | B．worked | C．had worked | D．works |
—Mum, shall I watch the TV program Happy Camp today?
—__________.You have so much homework to do!
| A．Forget it | B．Not at all | C．Go ahead | D．That’s right |
Last night on my way home I saw an old lady driving a BMW car at __________I thought was a dangerous speed.
| A．that | B．which | C．what | D．how |