1. He goes to school _____.
A. by  his bike   B. by the bike    C.  on a bike   D. on his bike
2. I'm very busy. I _____ play games with you .
A. think I can't   B. don't think I can   C. not think I can   D. am thinking I can
谢谢啊,不清楚到底选什么,为什么这样选.

<P><STRONG><FONT size=2>2,B</FONT></STRONG></P>
<P>&nbsp;第一题,我也很困惑~~~<IMG alt="" src="images/smilies/sweat.gif" border=0 smilieid="10"></P>

<P>1. C, D </P>
<P>2. B</P>

1. D 2. B

1CD 2B

选Ｃ和Ｂ，Ｉthink...的否定形式应该是I don't think...

D B!

D B!

A,A吧

我认为是D和B