The question occurred to me ______ we were to get the machine needed.
#71666
A
that
B
what
C
why
D
where
推荐题目
Mr. Smith was so angry at all ________ Robert was doing _________ he walked out angrily.
#67672
A
that; what
B
that; that
C
which; which
D
what; that
Once ____ in the forest, you ought to remain ____ you are waiting for help．
#68298
A
losing; where
B
losing; there
C
lost; there
D
lost; where
---What are you going to do this weekend ?--- Well, we’ll clean up the city parks ________ it rains..
#41095
A
if
B
until
C
while
D
unless