----There are sixty students in our class, and _________of us are boys.
----Wow! You have forty girls.
| A．one four | B．one third |
| C．two fifths | D．two thirds |
This company since five years ago.
| A．opened | B．has opene | C．has been open | D．has been opened |
—May I take photos in the museum?
—No, you . You obey the rules here.
| A．may not; can | B．mustn’t; may | C．can’t; can | D．mustn’t; must |
The little monkey a way to get the bananas from the tree.
| A．came out | B．caught up with | C．came up | D．came up with |
It’s winter now. The weather is getting .
| A．very colder and colder | B．much colder and colder |
| C．more colder and colder | D．more and more cold |
Mr. Lee arrivedBeijing May 6thabout 12:00 .
| A．in; on; at | B．at; on; on | C．for; in; at | D．in; in; at |