The town’s drinking-water _____ with prim chemicals at present.
#104183
A
contaminates
B
is contaminated
C
is being contaminated
D
has been contaminated
推荐题目
--- A high-tech exhibition in the National Museum.--- Really? What about visiting it now? .
#103033
A
will be held
B
is being held
C
is to be held
D
has been held
They won’t buy new clothes because they＿＿＿money to buy a color TV set.
#104662
A
save
B
are saving
C
has saved
D
were saving
Although the causes of cancer ________, we do not yet have any practical way to prevent it．
#103264
A
have uncovered
B
have been uncovering
C
are uncovering
D
are being uncovered
----_____ David and Vicky _____ married?----For about three years.
#100703
A
How long were … being
B
How long have … got
C
How long have … been
D
How long did … Get
During his stay in Xi’an, Jerry tried almost all the local foods his friends ________,
#99073
A
would recommend
B
had recommended
C
have recommended
D
were recommending