—Whose workbook is this, Tony?
—Look! Ann's name is on it! It ______ be hers.
| A．can't | B．must | C．may | D．mustn't |
Lillian said memorizing the words of pop songs helped _________.
| A．a lot of | B．lot of | C．a little | D．a little of |
—What about _________grammar? —It is too boring.
| A．finding | B．studying | C．writing | D．playing |
We _______ two hours in doing our homework every night.
| A．take | B．pay | C．cost | D．spend |
They tell us some ways _________English well.
| A．teach | B．learning | C．to learn | D．teaching |
We can’t do well in examination _________ we study hard in school time.
| A．if | B．and | C．since | D．unless |