—Excuse me，could you tell me________a book about science？
—Sure．They are on the second floor．
| A．where I can buy |
| B．where can I buy |
| C．when can I buy |
| D．when I can buy |
----- How much do you usually ______ on food and clothes every month ?
----- About ￥600.
| A．take | B．cost | C．spend | D．pay |
_______ pretty your dress is ! Where did you get it ?
| A．How | B．How a | C．What | D．What a |
---- Would you like to come to my house for dinner tonight?
----- I’d love to , _____ I have lots of work to do .
| A．so | B．or | C．and | D．but |
To everyone’s surprise , Alex _____ play chess very much when he was only four .
| A．might | B．should | C．can | D．could |
Lucy likes English very much . She does her best _____it well.
| A．to learn | B．learn | C．learning | D．is learning |