He doesn’t know ________ they will plant trees on Saturday or not.
#39074
A
weather
B
whether
C
if
D
that
推荐题目
Do you  know ____________________?
#38670
A
what he happened
B
what the matter is with him
C
what happened to him
D
what did he happen
—Excuse me.Could you please tell me __________?—Sure.There’s a bookstore on River Road.
#39140
A
where can I get a dictionary
B
where could I get a dictionary
C
where I could get a dictionary
D
where I can get a dictionary