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
—Sorry, I didn't catch you.—Be quiet, please; the baby ________.
#105309
A
was sleeping
B
is sleeping
C
slept
D
has slept
People around the world are ______ the Japanese government to face the history with a correct attitude now.
#105305
A
answering for
B
pushing for
C
accounting for
D
caring for
----what do you think of the Chinese language today?----Quite popular. It______ in communicating with other countries. More and more foreign friends are learning Chinese.
#105332
A
plays an important role
B
is playing an important role
C
has played an important role
D
is being played an important role
I'll go to the library as soon as I finish what I ________.
#105315
A
was doing
B
am doing
C
have done
D
had been doing
—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