Ⅰ.选出下列每组单词中不同类的一项。
()1. A. how B. cross C. why
()2. A. try B. can C. may
()3. A. sure B. happy C. about

1.B 2.A 3.C

Ⅱ.用所给单词的适当形式填空。
1. —How can I (cross) the road safely?
—You can (try) to use the crosswalk(人行横道).
2. — (be) the soup hot?
—Yes, it (be). Be careful.
3. I'm not (sure) about the way to the zoo. Let's ask a policeman.
4. Look! The duck (swim) in the river.

1.cross, try 2.Is, is 3.sure
4. is swimming

Ⅲ.按要求完成下列各题。
1. I can swim in the river.（对画线部分提问）
can swim?
2. The story is interesting.（改为一般疑问句并作肯定回答）
— the story interesting?
—Yes, .
3. He is sure about the plan.（改为否定句）
He sure about the plan.

1.Where, you 2.Is, it is
3. is not

Ⅳ.根据汉语意思完成句子或对话。
1.我不确定这个计划是否可行。
I the plan.
2.你怎么过这条繁忙的马路？
this busy road?
3.—水很深吗？
—是的，很深。
— the water ?
—Yes, .

1. am not sure about
2. How can you cross
3. Is, deep, it is