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
We will give you a good price ________ you are thinking of buying it.
A. until B. and C. so that D. if
I become ________ in American history.
A. more interested and more interested B. more and more interested
C. more interesting and more interesting D. more and more interesting
