Our Earth will be ________ if we go on cutting down millions of trees every year.
| A．in great danger | B．danger | C．dangerously | D．out of danger |
I didn’t _________my uncle for a month.I miss him very much. Which is wrong?
| A．get a letter from | B．hear of |
| C．hear from | D．receive a letter from |
It is fine today！How about_______ out for a walk?
| A．go | B．to go | C．going | D．gone |
Mary_______ not ride a bike in the past,but now she_______ do it.
| A．can;can | B．can;could |
| C．could;could | D．could;can |
______great time we had at the party last night！
| A．What | B．What a |
| C．How | D．How a |
_______ is easy_______ this work in three days.
| A．It；for us finish | B．This；to finish |
| C．It；for us to finish | D．That；for us to finish |