选择可以替换句中画线部分的最佳答案。(5’)
Look out ! A car is coming. 
A Look carefully  B. Have careful
C. Be careful     D. Look up
We will have to plant twenty more trees.

A．more than twenty	B．another twenty
C．the other twenty	D．less than twenty

They had a good time at the park last Sunday.

A．good luck	B．enjoyed themselves
C．had a good weekend	D．had a rest

Grandma is ill . Let’s take her to the hospital right away .

A．at first	B．on time
C．from now on	D．at once

Why don’t you come here early ?

A．do you

B．not

C．you not

D．not you