﹣I called you at eight last night， but you didn't answer． What were you doing？
﹣I _____．（ ）
| A． |
took a shower |
B． |
was taking a shower |
| C． |
take a shower |
D． |
have taken a shower |
My cousin volunteers in the Children's Home．His job is to food and clothes．（ ）
| A． |
sell out |
B． |
work out |
C． |
hand out |
D． |
find out |
Mr．Smith knows a lot about China he has never been to our country．（ ）
| A． |
although |
B． |
until |
C． |
if |
D． |
since |
Rainy days make me relaxed．I love drinking tea while it ．（ ）
| A． |
was raining |
B． |
is raining |
| C． |
has rained |
D． |
rained |
The dictionary belong to Sam．You can see his name on it．（ ）
| A． |
can |
B． |
must |
C． |
need |
D． |
would |
Nelson exercises because he has too much work every day．（ ）
| A． |
usually |
B． |
always |
C． |
often |
D． |
seldom |