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
—Has Billy finished his homework today?—I have no idea.He it this morning.
#104538
A
would do
B
was doing
C
has done
D
had done
Why don’t you try on this jacket? It ____ nice on you.
#100701
A
looks
B
looked
C
will look
D
has looked
You would not have made so silly mistakes , but it is a pity you _______ my advice.
#102824
A
didn’t accept
B
hadn’t accepted
C
hasn’t accepted
D
wouldn’t have accepted
―What happened to the old mail carrier?―He _______ to a new neighborhood to work.
#103828
A
has sent
B
has been sent
C
was sent
D
sent
About 85％of the Australian population of 20million______in the six major cities around the coast nowadays
#104551
A
has lived
B
live
C
1ivcd
D
1iving