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
—Joan，what ________ in your hand?—Look！It's a birthday gift for my grandma.
#105314
A
had you held
B
are you holding
C
do you hold
D
will you hold
Though the medicine for my disease______, I should often______ at home or in the open air.
#105327
A
works out; work out
B
is working; work out
C
is working out; work
D
works; work
What shall we use for power when all the oil in the world has ?
#105323
A
given out
B
put out
C
held up
D
used up
--- 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
一Ready to give up guessing，Sandy?一No，no，hold on! I think I______ at the answer now．
#105346
A
arrive
B
am arriving
C
have arrived
D
will arrive