We’ll plant trees tomorrow, and I don’t know       Tom will come and join us.
#41370
A
if
B
which
C
what
D
where
推荐题目
---Mary hasn't written to us for a long time.---What do you suppose __ to her?
#73595
A
happened
B
to happen
C
was happened
D
having happened
Unless __________, she won’t go to any party. 
#68021
A
inviting
B
having invited
C
invited
D
being invited
We will visit Europe next year ______ we ________ the money.
#72588
A
provided; will have
B
provided; should have
C
provided that; have
D
providing that; will have