Zhang Lan usually looks afterher little brother at home when her mother is away．（ ）
| A． |
looks up |
B． |
looks out |
| C． |
looks over |
D． |
takes care of |
﹣I hear a subway ________ in our city in the future．
﹣I hope so．（ ）
| A． |
was built |
B． |
will build |
| C． |
is built |
D． |
will be built |
﹣Anne， is Anna your twin sister？
﹣Oh， yes． I am twenty﹣five minutes ________ than her．（ ）
| A． |
heavier |
B． |
older |
C． |
taller |
D． |
bigger |
﹣I called you at eight last night， but you didn't answer．
﹣Oh， sorry． I ________ at that time．（ ）
| A． |
took a shower |
B． |
take a shower |
| C． |
was taking a shower |
D． |
am taking a shower |
The energy from the sun and wind is very cheap and will never ________．（ ）
| A． |
run out |
B． |
cut out |
C． |
come out |
D． |
give out |
﹣I heard Ted got hurt badly in the car accident yesterday．
﹣It was true． His careless driving was the ________ of the accident．（ ）
| A． |
mistake |
B． |
excuse |
C． |
cause |
D． |
answer |