______ he was exercising at the park yesterday morning, he found a purse under t
题型：不详难度：来源：
______ he was exercising at the park yesterday morning, he found a purse under the tree.
A. While B. Before C. Though |
答案
| A |
解析
试题分析：句意：昨天早晨，当他正在公园锻炼的时候，他发现树下有一个钱包。分析选项：while当……时候；before之前；though虽然。联系句意为当……时候。故选 A |
举一反三
In spring, a lot of young trees _______ in our city.
A. are planted
B. plant
C. has been planted |
Although he has failed many times, he keeps _____ hard to make his dream come true.
A. working
B. to work
C. worked |
--Must we take out the trash now?
-- .You can do it after class.| A．Yes, you must. | B．No,you can’t | | C．Yes, you may. | D．No, you needn’t |
|
--Jim isn’t in the classroom.Where is he now?
-He the library.
A.will go to B.has been to
C.has gone to D,goes to |
Smoking is bad for your health.You’d better .| A．set it up | B．give it up | | C．pick it up | D．look it up |
|
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