语法词汇练习 语法大全 语法详解 英语听力 
______ at the door before entering please.
#66016
A
Knocked
B
Knock
C
Knocking
D
To knock
下一题
推荐题目
_______terrible weather we’ve been having these days！
#65976
A
How a
B
What a
C
How
D
What
--- Father, I’m going out for a play. ---- _________ be long!
#66252
A
Don’t
B
It won’t
C
Won’t
D
You didn’t
I know one of the things I was unsure about was _____ hard it would be to climb this mountain.
#66039
A
what
B
that
C
however
D
how
   the child   all day long!
#66227
A
Let, not to cry
B
Not let, cry
C
Don’t let, to cry
D
Don’t let, cry
Please          . The boy is studying.
#59398
A
not noisy
B
don’t noisy
C
not to be noisy
D
don’t be noisy