He is doing his homework attentively. Leave him________he is.[ ]A. who B. as

题型：四川省同步题难度：来源：

He is doing his homework attentively. Leave him________he is.[    ]
A. who
B. as
C. what
D. that

答案

举一反三

A good storyteller must be able to hold his listeners" curiosity ________ he reaches the end of the story. [     ]
A. when
B. unless
C. after
D. until

题型：四川省同步题难度：| 查看答案

You can arrive in Beijing earlier for the meeting, __ you don"t mind taking the night train.[     ]
A. provided
B. unless
C. though
D. until

题型：江西省模拟题难度：| 查看答案

Skipping breakfast can also cause you to overeat. To make matters worse,  ________your body is
in a slow state,   it won"t be able to burn the extra calories very efficiently. [     ]
A. unless
B. though
C. since
D. before

题型：四川省同步题难度：| 查看答案

It just isn"t fair ________ I am working as a writer,   my friends are lying on the beach. [     ]
A. whenever
B. though
C. for
D. while

题型：四川省同步题难度：| 查看答案

Scientists say it may be five or ten years________ it is possible to test this medicine on human patients.[     ]
A. since
B. when
C. after
D. before

题型：四川省同步题难度：| 查看答案