The argument remains extremely heated there are necessary conditions of existence such as water on the Mars.
#71649
A
that
B
whether
C
if
D
which
推荐题目
---Mary hasn't written to us for a long time.---What do you suppose __ to her?
#73595
A
happened
B
to happen
C
was happened
D
having happened
Alice in Wonderland is a fantastic movie. It’s about _________．
#41413
A
how did Alice cad the Red Queen’s reign of terror（恐怖统治）
B
what did Alice end the Red Queen’s reign of terror
C
how Alice ended the Red Queen’s reign of terror
D
what Alice ended the Red Queen’s reign of terror
Marry was so excited _____ she received an invitation from her friend to visit Beijing.
#68025
A
where
B
that
C
why
D
when
Every evening after dinner, if not ___________ from work, I will spend some time walking my dog.
#68040
A
being tired
B
tiring
C
to be tired
D
tired