11.　 I didn't _____________(认出) Mary　 because of her newly cut hair.

10.　 Great changes have taken place in __________(最近) years.

9.　　 Tom didn't go to school for some ___________(原因).

8. ---It's a __________(真) diamond necklace.

　 --- Oh,____________(真的)? How much does it cost you?

7.　　 The apple is out of his ______________(达到).

6.　　 Thanks to X ________(射线) ,many operations can be performed.

5. Whoever can answer my question please _____________(举) your hands.

4.　　 The flowers ________(需要) watering every two days.

3.　　 Can you _______ (重复)what you said just now? because I didn't hear you clearly.

2.　　 I begged the truck driver to give me a lift, but he _______(拒绝) to help me.