语法词汇练习 语法大全 语法详解 英语听力 
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
下一题
推荐题目
______ terrible weather we’ve been having these days!
#66296
A
How a
B
What a
C
How
D
what
               it is to have a cold drink on such a hot day!
#66148
A
What a fun
B
How fun
C
What fun
D
How a fun
 ____ the boy is to learn to talk.
#66327
A
How slow
B
How slowly
C
What a slow
D
What a slow way
Don’t _______  stressed out. It’s not good for your health.
#59449
A
get
B
need
C
take
D
felt
__________at the door before you enter the office，or you’ll be considered impolite
#65893
A
Knocking
B
Knocked
C
Knock
D
To knock