Our plan is to plant 50 trees. And we have planted half of them    .
#35419
A
the other day
B
yet
C
so far
D
in the past
推荐题目
It’s a ________ to get ready to help the people in need.
#37745
A
chance
B
shame
C
pleasure
D
pity
There are   books on the shelf. And     them is about three hundred.
#43563
A
a number of; a number of
B
the number of; the number of
C
a number of; the number of
D
the number of; a number of