With the second ring road overpass _______ at present in Chengdu, the local citizens have to choose another way to avoid traffic jam.
| A．being constructed | B．to construct | C．to be constructed | D．to be constructed |
There were some chairs left over _____ everyone had sat down.
| A．when | B．until | C．that | D．where |
I used to love that film ______ I was a child, but I don’t feel it that way any more.
| A．once | B．when | C．since | D．although |
You’d better not leave the medicine ______ kids can get at it.
| A．even if | B．which | C．where | D．so that |
He found it increasingly difficult to read, ______ his eyesight was beginning to fail.
| A．though | B．for | C．but | D．so |
31. -----Do you have a minute? I’ve got something to tell you.
-----Ok, ______ you make it short.
| A．now that | B．if only | C．so long as | D．every time |