The black box is a necessary device on an airplane, which records its speed, direction and whether everything on the airplane______ normally.
#102293
A
will function
B
functioned
C
is functioning
D
has functioned
推荐题目
At this time next year______ our holiday in Beijing..
#100261
A
we’re having
B
we’ll be having
C
we’ll have
D
we’re to have
Since Jack was laid off from his job three months ago, he a new one, but without luck.
#100320
A
1ooked for
B
had looked for
C
is looking for
D
has been loking for
– Have you moved in the new house? – Not yet, the rooms ____.
#102693
A
are being painted
B
are painting
C
are painted
D
are being painting
— Has Jack finished his homework yet? — I have no idea；he ＿＿it this morning.
#104425
A
was doing
B
had been doing
C
has done
D
did
—Have your read the article A Dirty Beijing, which is about air pollution?—Yes. It’s highly informative. I _____no idea that the PM2.5 there sometimes reached 300.
#100229
A
have
B
had
C
will have
D
would have