4. —I wonder _ I  should feed  the chickens.

   —Twice a day.

A. how long     B.    how far

C. how often    D.    what time

3. Do you like to eat _ food or junk food?

A. health       B.    healthy

C. unhealthy    D.    healthily

2. My parents want me _ hard   at school.

A. work       B.    works

C. working    D.    to work

 1. _ hours do the students in this school sleep every night?

A. How many    B.    How much

C. How old    D.    How long

用方框中所给词的适当形式填空

1. I like to eat_ food，although it’s not good for my health.

2. The baby _ ten   hours  every  night.

3. Tom likes to have a cup of _ in  the morning.

4. My mother doesn’t want me _ tea at night.

5. I think _ is  very  important，so I exercise every day.

② My cousin is good at _   (dance).

 We should be_ _old   people.

 ①我们都知道吸烟对健康有害。

We all know that smoking __ _ _our   health.

②爸爸想让我每天做运动。Dad____sports every day.

 ①The movie is boring. I want _(go) home now.

4.你多久喝一次咖啡？

__do you  drink coffee?