.It was in the 1990s _______ we were working together ____ we made friends with each other.
| A．that; when | B．when; that | C．that; that | D．when; when |
The key you have just gotthe front door.
| A．is used to opening | B．is used to be opened |
| C．is used to being opened | D．is used to open |
You shouldn’t go out without a coat , it’s rather cold .
| A．unless | B．even though | C．however | D．since |
-----Could you do me a favor and take these books to my office?
-----Yes, _____.
| A．for pleasure | B．I could | C．my pleasure | D．with pleasure |
-----Have you been to New Zealand?
-----No, I’d like to, _____.
| A．too | B．though | C．yet | D．either |
He hurried to the booking office only______ that all the tickets had been sold out.
| A．to tell | B．to be told | C．telling | D．told |