问题
The traffic on the main streets has a longer greensignal than _______ on the small ones.
A:one
B:this
C:that
D:it
B:this
C:that
D:it
正确答案是：
同类题型
Alice, you are supposed ______ part in the party in time.—Sorry, but I had an unexpected visitor.
she came several days later, shefound that all things still _______ where she had _______ them
After being for days, the water supply returns to normal today.
Each time ___ we have done our homework, we will go over it.