﹣﹣﹣This math problem _______ in half an hour.
﹣﹣﹣Don't worry.Mr.Wang is good at math.He can make it.（ ）
| A． |
is working ou |
B． |
would work out |
| C． |
should be worked out |
D． |
has worked out |
______ can you finish your homework？
In about an hour．（ ）
| A． |
How long |
B． |
How soon |
C． |
How often |
D． |
How far |
Driving in the mountains can be very dangerous．You can't be ______careful．（ ）
| A． |
so |
B． |
very |
C． |
much |
D． |
too |
My father caught a big fish this morning，but I caught a ______ one．I feel great!（ ）
| A． |
smaller |
B． |
biggest |
C． |
bigger |
D． |
big |
Don't you see the sign"No Parking!"on the right？
Sorry，I didn't．But now I know parking______ here．（ ）
| A． |
wasn't allowed |
B． |
isn't allowed |
| C． |
won't allow |
D． |
doesn't allow |
Anita，where is your brother？
He ______ out in the garden with a group of kids．（ ）
| A． |
plays |
B． |
played |
C． |
is playing |
D． |
has played |