About seventy percent of the earth with water.
#44524
A
is covering
B
is covered
C
are covering
D
are covered
推荐题目
--When _____ the abacus _____? -- In the sixth century by the Chinese people.
#44867
A
is, invented
B
did, invent
C
was, invented
D
does, invent
You have to stay behind if your homework before five o'clock.
#44375
A
wasn’t done
B
hasn’t done
C
doesn't do
D
isn't done
—Our school _________ in 1876. —Wow, it has a very long history.
#44656
A
built
B
was built
C
is built
D
has built
In the first half of the match, Number 52 Middle School _______ us 5-3, but at last our team _______ the match.
#44406
A
beat; win
B
win; beat
C
beat; won
D
won; beat
The new teaching building ________ before the new term begins.
#44681
A
must be finished
B
must finish
C
must finished
D
must being finished