New medicines and instruments ______ every day to extend life.
#105334
A
develop
B
are being developed
C
are developing
D
have developed
推荐题目
Britain is being ________ in the race for new markets.
#105311
A
left alone
B
left out
C
left behind
D
left over
8.Customers are asked to make sure that they ____ the right change before leaving the shop.
#105342
A
will give
B
have been given
C
have given
D
will be given
一Have you handed in your schoolwork yet?一Yes,I have.I guess it _____ now.
#105339
A
has graded
B
is graded
C
is being graded
D
is grading
—I'm not finished with my dinner yet.—But our friends ________ for us.(2010·北京)
#105317
A
will wait
B
wait
C
have waited
D
are waiting
--- Would you care for a cup of coffee? --- I ________ one. Thank you just the same.
#105330
A
had
B
have had
C
would have
D
will have