．It’s best to plant trees(植树)in _____．
#29474
A
autumn
B
winter
C
summer
D
spring
推荐题目
He will come to understand your efforts sooner or later. It's just a matter of_______.
#28905
A
time
B
value
C
luck
D
fact
I think the Beijing Olympic will develop our ________with many countries.
#29358
A
enjoyment
B
success
C
interests
D
friendship
They each carried__________ on their backs.
#28056
A
so big an equipment
B
a such big equipment
C
so a big piece of equipment
D
such a big piece of equipment