—How unhappy your roommate looks!—Yes, but he's not willing to tell me what it is _______ is troubling him.
#72642
A
what
B
which
C
as
D
that
推荐题目
Marry was so excited _____ she received an invitation from her friend to visit Beijing.
#68025
A
where
B
that
C
why
D
when
he steps on the stage,he will sing the song which made him famous two years ago.
#71647
A
Many times
B
In no time
C
Every time
D
All the time
We’ll go shopping if it ________ rain tomorrow.
#41062
A
don’t rain
B
won’t rain
C
isn’t raining
D
doesn’t rain
Sally took a photo of her friends while they ______ computer games.
#41060
A
played
B
were playing
C
had played
D
play
No matter how________, it is not necessarily lifeless.
#67734
A
a desert may be dry
B
dry a desert may be
C
may a desert be dry
D
dry may a desert be