___How time flies!It’s already twelve o’clock.
___ Oh,really? I ______ it at all.
| A．don’t realize | B．Didn’t realize |
| C．haven’t realized | D．hadn’t realized |
The students worked in groups to ________ the difficult problem in the math class.
| A． |
work out |
B． |
turn down |
C． |
cut off |
D． |
worry about |
________ meaningful day! We volunteered to clean up our city park.
| A． |
How |
B． |
What |
C． |
What a |
D． |
What an |
—Whose dictionary is this?
—It ________ be Sarah’s. Look! Her name is on it.
| A． |
must |
B． |
mustn’t |
C． |
need |
D． |
needn’t |
________ the Spring Festival, lanterns can be seen almost everywhere in my hometown.
| A． |
Τo |
B． |
Above |
C． |
Between |
D． |
During |
—Maria, you should believe in ________. That’s the secret of success.
—OK, I will.
| A． |
myself |
B． |
yourself |
C． |
herself |
D． |
himself |