_____ all the boys in his class, Tom is the shortest[ ]
A. In
B. For
C. From
D. Of
答案:D
用所给单词的适当形式填空。
l. Mr Brown _____ (go) to his office by bike every day.
2. Why not _____ (go) to the zoo by bus?
3. It ____ (take) about 15 minutes to walk.
4. There _____ (be) many deer in the forest now.
5. There must _____ (be) many sheep.
6. Kate is walking to her home ____ (quick).
下列不是气雾剂的组成的是
A.药物与附加剂
B.抛射剂
C.耐压容器
D.阀门系统
E.胶塞