问题

Tom ________ in the library every night over the last three months.[ ]
A:works
B:worked
C:has been working
D:had been working
B:worked
C:has been working
D:had been working
正确答案是:
同类题型
spokeswoman said, ______ we should take action against them depends on what they will do.
I’ve worked with child before, so I know what ________ in my new job.
The weather report says it will rain tomorrow, so bring an ______with you.
If you find yourself _____________ no one will help you, please call me.