题目
题型：不详难度：来源：
It was _______ he worked hard that he succeeded in the end.
| A．because | B．since | C．as | D．for |
答案
解析
核心考点
试题【It was _______ he worked hard that he succeeded in the end.A．becauseB．sinceC．asD】；主要考察你对连词等知识点的理解。[详细]
举一反三
_______some people some here for a short break , others have decided to stay forever.
| A．Because | B．If | C．Once | D．While |
Tina was hesitation about the job offer as she did not know _______ the company was an established one.
| A．whether | B．what | C．until | D．although |
Samuel survived when the car_______he was a passenger in turned off the road and hit a tree.
| A．where | B．that | C．as | D．why |
I was just about to go out last night ______ the telephone rang.
| A．while | B．when | C．as | D．before |