Stop! You can never touch this machine when it ________, it is very dangerous.
#102729
A
has been operated
B
will be operated
C
is operated
D
is being operated
推荐题目
Luckily good things _________ here to save local wildlife.
#102513
A
are doing
B
are being done
C
had been done
D
will do
—I didn’t expect that John would be absent from my last Sunday’s birthday party.—As far as I know, he ______ to see his parents in the countryside on Sundays.
#100001
A
goes
B
went
C
has gone
D
had gone
— Why are the Woods selling their belongings?— They to another city.
#102571
A
had moved
B
have moved
C
moved
D
are moving
——Where do you think＿＿＿＿＿he＿＿＿＿the computer? —— Sorry.I have no idea.
#104647
A
has ； bought
B
／； bought
C
did ； buy
D
had ； bought