As a middle school student，we should start thinking about _____ for our country in the future．（ ）
A．what we didB．what did we do
C．what we can doD．what can we do
How long ___ your brother ___ this camera？
For two weeks．（ ）
| A． |
have，bought |
B． |
have，had |
| C． |
has，had |
D． |
has，bought |
You're supposed to _____your shoes before you enter the room．（ ）
| A． |
take off |
B． |
put off |
C． |
get off |
D． |
turn off |
Be quiet!The baby_____．（ ）
| A． |
sleeps |
B． |
slept |
| C． |
are sleeping |
D． |
is sleeping |
Alice prefers stories that ____ short and funny．（ ）
| A． |
are |
B． |
is |
C． |
was |
D． |
were |
Fish can't live ___ water．（ ）
| A． |
with |
B． |
in |
C． |
without |
D． |
of |