1．David经常在网上与朋友聊天。    
David often_________ _________  friends on the Internet .
2．CD是Compact Disk的缩写。
Compact Disk________ ________ CD________ _________ .
3．我们应该用电脑学习，而不是玩游戏。    
We should use the computer__________ _________ ,but    _________ ________ ________ games .
4．你最好多考虑一下你的健康。
You'd better________ ________your health more .
5．当心！上网时不要上肖受骗。  
________ ________！Don't be cheated when surfing

1. 他们喜欢骑自行车旅行。
    They like traveling 1__________ 2___________.
2. 你最好在校门口等你的母亲。
    You'd 3 ___________ 4 ___________ 5 __________ your mother at the school gate .
3. 经常夏季天气太热，冬天太冷。
   Often in summer it is too 6__________, and in 7___________ it is too 8                    .
4. 那位老太太喜欢走路，不喜欢乘车。
    The old woman 9 __________ 10 __________ to 11___________ a bus.
5. 你的鞋子穿破了。我想可以请人修一下。
    Your shoes are 12 __________ 13 __________. I think they can 14__________ 15                   .

1. 我的新同学对我都很好。
   My new classmates are all _______ _______ me.
2. 他们已经在这所学校学习英语两年了。
    They _______ been _______  English in this school for two years now.
3. 你介意关上门庅？
    Would you _______ _______ the door.
4. 顺边问一下你有什么爱好？
   _______ the  _______, what's your hobby?
5. 我和Paul 是好朋友，我们相处得好是因为我们都喜欢体育。
   Paul and I are good friends. We _______ _______ well because we  both  like  sports.

1、你先走，我随后跟上你。
Go on ahead, and I'll _______ _______ with you.
2、这是我遇到的最开心的事。
It's the happiest thing that ______ ever ______ ______ me.
3、不幸的是，她摔倒了并划破了膝盖。
Unluckily, she ______ ______ and cut her knee badly.
4、别担心，我的手没什么大事了。
Don’t worry. There’s _______ ______ with my hand.
5、我认为你最好先问问他。
I think you’d ______ ______ him first.