---Are you classmates, Millie and Lily? ----Yes, ______.
| A．we are | B．you are | C．I am | D．they are |
Please pass me the book ________ cover is green.
| A．which | B．whose | C．that | D．who |
He hurried back home________ his schoolbag.
| A．fetched | B．to fetch | C．fetching | D．fetches |
I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.
| A．couldn’t | B．mustn’t | C．shouldn’t | D．needn’t |
So I rudely replied, “You’ve dialed the wrong number! ” and then ________.
| A．hanged up | B．hung up | C．held on | D．held up |
His English ________ a lot since he took the course.
| A．improved | B．was improved | C．has improved | D．has been improved |