— A computer is very popular and helpful .— I think so. It _______ in many different fields.
#36579
A
used
B
will use
C
is used
D
was used
推荐题目
I ________you yesterday afternoon，but you ________at home.
#38449
A
call，aren’t
B
am calling，aren’t
C
called，were
D
called，weren’t
The boy fell asleep where he ______,without undressing.
#63710
A
was laying
B
was lying
C
had laid
D
had lied
—What were you doing at this time yesterday? —I ______ on the grass and playing with Tony.
#38003
A
sit
B
sat
C
am sitting
D
was sitting
---The children ________some time for reading, right? ---Yes. And everyone ________a library card.
#37423
A
has, has
B
have, has
C
has, have
D
have, have