句型专项练习（附答案）
1.I know the answer.(一般疑问句) ______ ______ know the answer?
2.We can see some birds.(一般疑问句) ______ ______ see ______ birds?
3.There is a computer in my house.(一般疑问句)
______ ______ a computer in house?
4.There are some flowers on the teachersdesk.(一般疑问句)
______ ______ ______ flowers on the teachersdesk?
5.There are some apples on the tree.(否定式)
There ______ ______ ______ apples on the tree.
6.I think he is very old.(否定句) I ______ think he ______ very old.
7.Please colour it green.(否定句) ______ ______ colour it green.