— __________ we leave the library before 5 o’clock?
— No, you needn’t. You can stay here until 5:30.
| A．Must | B．May | C．Can | D．Could |
New technology __________ to stop the students from cheating in the exam last year.
A．used B．is used C．was used
﹣What do you think of the digital camera?
﹣It’s very popular, but some still __________ too much.
A．cost B．spend C．pay
﹣Can I finish my homework tomorrow?
﹣__________. You must finish it today?
A．Yes, you can B．No, you can’t C．No, you needn’t
﹣What are you doing this weekend?
﹣We are going hiking if it ___________.
A．will rain B．doesn’t rain C．rains
﹣How delicious the bread is!
﹣It must taste __________ with some jam in it.
A．good B．well C．better