We should throw the rubbish into the dustbin ______ protect our environment.
| A．as a result | B．so that | C．in order to | D．in order not to |
Mr Black ________ the flowers yesterday.
| A．water | B．waters |
| C．watered | D．to water |
Wangfujing Street is one of __ streets in Beijing .Let’s go there for a shopping trip.
| A．busy | B．busier |
| C．busiest | D．the busiest |
– Which coat is _______, the black one or the gray one?
-- The black one, of course.
| A．beautiful | B．more beautiful |
| C．most beautiful | D．the most beautiful |
—You speak Chinese very well._______ have you learnt , Amy?
---For two years.
| A．How long | B．How often |
| C．How soon | D．How far |
– Must I return this book tomorrow?
-- No, you _______. You can keep it until next week
A can’tB. needn’t
C. mustn’t D. shouldn’t