Was it the Moonstone’s bad luck ____ caused so many strange things to happen during the evening?
| A．before | B．when | C．since | D．that |
Life is like an onion，sometimes makes you weep when you try to open it．
| A．that | B．as | C．which | D．what |
what is needed and what is possible, we set a growth target of around 7.5 percent economic growth.
| A．Consider | B．Considered | C．Considering | D．To consider |
Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing.
| A．with which | B．with that | C．at which | D．at that |
______ I always felt I would pass the exam, I never thought I would get an A.
A. While B. Unless C. If D. Until
The English teacherher students how to improve their comprehension skill since last week.
| A．has told | B．is telling | C．has been telling | D．will have told |