--- _______ I come back before 6 o’clock?
---No，you _______．But you _______ be back later than 7 o’clock．
| A．Need；must；must | B．May；mustn’t；can’t |
| C．Can；can’t：can’t | D．Must；needn’t；can’t |
Bill ___money after three months.
| A．run out | B．ran out of |
| C．was run out of | D．runs out of |
It’s important _____ in good health.
| A．keep | B．keeping | C．to keep | D．kept |
——My mother is ill.
——_____
| A．OK. | B．Too bad. |
| C．I am also ill. | D．I’m sorry to hear that. |
As a student , Nacy _____ with her new classmates now.
| A．used to studying | B．is used to study |
| C．is used to studying | D．used to study |
Bob ____a cold And Mary and Sue ____colds ,too . They shouldn’t exercise .
| A．has; has | B．has; have |
| C．have ; has | D．have ; have |