想一想，该用括号内单词的什么形式填充下列各句？

  1.What ____ I _____(be) in twenty more years?  

2.That young man ___ (become) a driver in 1990.

3.Why not ____ (make) friends with us?  

4.It’s twelve o’clock.The boys ___ (have) lunch.  

5.The teacher ask us ___ (not talk)in class.  

6.I’ll go shopping with you if I ____ (be) free tomorrow.

7._____ (not turn) off the radio.

8.There ___ (be) a sports meeting next moon.  

9.The new teacher is very ___ (friend) to us.

10.I would love___ (talk)about the future with you.

在人类的进化历程中，下列哪一项不是由于直立行走而导致出现的是（　　）

A．后肢变得粗壮

B．骨盆变短变宽

C．语言的产生

D．前肢变得灵活