-Have you known him for a long time? -Yes, since he ________ here after graduat

题型：不详难度：来源：

-Have you known him for a long time?
-Yes, since he ________ here after graduation.

A．comes

B．came

C．has come

D．had come

答案

解析

这题考查时态,since引导的时间状语从句用过去时，表示自从过去某个时间，主句用现在完成时，句意是：--你认得他很长时间了吗？--是自从他毕业后来到这儿。选B。

举一反三

So far this year we ______ a fall in house prices by between 5 percent and 10 percent.

A．saw

B．see

C．had seen

D．have seen

题型：不详难度：| 查看答案

I"m sure I ___in a certain key university at this time next year．

A．am studying	B．will have studied
C．will be studying	D．will study

题型：不详难度：| 查看答案

Tihe young ma

n insisted he ____no

thing wrong and that the police___him．

A．did: released	B．had done; release
C．had done; must release	D．should do; should release

题型：不详难度：| 查看答案

You can’t be careful enough with the dry wood ．It ___easily．

A．is lighted	B．is lighting
C．will be lighting	D．lights

题型：不详难度：| 查看答案

一Did he notice you enter the classroom? 、
一I don’t think so．He _______ to the radio with his eyes shut·

A．1istened

B．was listening

C．has listened

D．had listened

题型：不详难度：| 查看答案