Not everyone has realized what ________important part the balance of ________nature plays in their life.
| A．an；the | B．/；the | C．an；/ | D．the；/ |
They had a pleasant chat _____ a cup of coffee．
| A．for | B．with | C．during | D．over |
There is little chance that we will manage to change the law. , it is important that we try.
| A．Therefore | B．Nevertheless | C．Otherwise | D．Besides |
----He was nearly drowned once ．
---- When was ______?
-----_____ was in 2000 _____he was in middle school ．
| A．that; It ; when | B．this ;This; that |
| C．that; This; when | D．that; It ; that |
It is not rare in_____ that people in ______ fifties are going to university for further education．
| A．90s ; the | B．the 90s; / | C．90s; their | D．the 90s ; their |
--- Jones! Roy has broken the glass.
--- Such things happen.
| A．What a pity! | B．Doesn’t matter. |
| C．How come? | D．What has become of him? |