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
— ________ for the glass! —It’s OK. I’m wearing shoes.
#105336
A
Look out
B
Walk out
C
Go out
D
get out
Since 1 won the big prize，my telephone hasn’t stopped ringing. People____to ask how I am going to spend the money.
#105338
A
phone
B
will phone
C
were phoning
D
are phoning
How happy we are! The holiday we have been looking forward ________at last.
#105324
A
to has come
B
to have come
C
to having come
D
has come
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
It's really time I went home but I'm enjoying myself, so I ________ here a bit longer.
#105318
A
am staying
B
have stayed
C
stayed
D
stay