-- ____ __ have you been at this factory?
-- Since 2000.
| A．How long | B．How much | C．How often | D．How soon |
--I am going on a trip to Hong Kong next week.
--Really? _________. Be sure to send me some photos on Wechat.
| A．Wish you a happy holiday | B．You are welcome |
| C．That’s all right | D．How happy you are |
I hope my friends _________ my party this Saturday.
| A．to come to | B．can come to |
| C．to join in | D．must join |
The Jiangs have lived in the city of Nantong since__________.
| A．ten years | B．last summer |
| C．they buy a flat | D．five months later |
I found _______ difficult to work out the problem.
| A．it | B．it’s | C．that | D．this |
The Greens used to live in London and now they ________ in Beijing.
| A．used to live | B．are used to live |
| C．are used to living | D．are used for living |