From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
#31194
A
why
B
how
C
because
D
whether
推荐题目
–It’s a long time ___ I last saw you. --Yes, and it will be two months ______ we can meet again.
#32862
A
before; since
B
when; before
C
since; when
D
since ; before
The moment ________ Leo will never forget is________ Mr. Smith gave him a lot of valuable advice on how to improve his writing.
#31876
A
that; when
B
that; that
C
when; that
D
when; /
Steve was busy clearing the cups and dishes from the table ________ others were playing.
#30272
A
until
B
if
C
since
D
while
We _____ walk in the moonlight, taking about _____ we were interested in.
#33942
A
used to, all what
B
were used to, all what
C
used to, all that
D
were used to, what