— What shall we do tomorrow? — How about trees?
#48550
A
planting
B
to plant
C
plant
D
planted
推荐题目
Both the Canadian and the Americans have an autumn festival______Thanksgiving Day.
#51357
A
calls
B
to call
C
called
D
calling
What is the best way you think of ______ the environment?
#51117
A
to protect
B
protecting
C
protect
D
protected
