Frank insisted that he was not asleep ________ I had great difficulty in waking

题型：江苏模拟题难度：来源：

Frank insisted that he was not asleep ________ I had great difficulty in waking him up.[     ]
A．whether
B．although
C．for
D．so

答案

举一反三

I never saw him,         I can remember, reading anything but newspapers.[     ]
A. as far as
B. as soon as
C. unless
D. until

题型：山东省模拟题难度：| 查看答案

Our teacher looked here and there on our playground ________ looking for something. [ ]
A. even though
B. even if
C. as if
D. only if

题型：同步题难度：| 查看答案

Man must keep in mind that it will be years ______ the earth recovers from the damage he makes to it.[     ]
A. when
B. before
C. since
D. until

题型：上海模拟题难度：| 查看答案

-Do you know about the accident which happened in the center of the city?
-Yes. But it was some time we realized the truth.[ ]
A．before
B．when
C．since
D．until

题型：同步题难度：| 查看答案

We won"t give up ________ we should fail ten times. [     ]
A. even if
B. since
C. whether
D. until

题型：同步题难度：| 查看答案