The only existing problem is ____ we can find this special wood in the forest in such a short time.
#79383
A
when
B
where
C
that
D
whether
推荐题目
—Haven't I seen you some place before?—Yes. That's ________ I don't go there anymore.
#79335
A
because
B
how
C
why
D
when
What makes online shopping so popular is it shortens the distance between manufacturers and consumers．
#79340
A
how
B
that
C
whether
D
why
Good food, good sleep, no exercise. That's ________ he gained weight.
#79333
A
how
B
when
C
what
D
whether
– Are you still thinking about yesterday’s football match against Class 25? -- Oh, that’s _________.
#79371
A
what makes me feel upset
B
whatever I feel upset about
C
how I feel upset about it
D
when I feel upset