He and his sister        at the library this morning.
#52270
A
is
B
are
C
was
D
were
推荐题目
We ________ a sports meeting if it is fine next Wednesday.
#53051
A
have
B
had
C
have had
D
will have
Diaoyu Islands _____ China ever since ancient times.
#52333
A
belong to
B
belong in
C
belong under
D
belong with
—May I ____your dictionary? --Sorry. Li Ping _______it for a week.
#54071
A
lend, borrowed
B
lend, has lent
C
borrow, has borrowed
D
borrow, has kept
The computer         in 1946 in America.
#56319
A
is invented
B
was invented
C
invents
D
invented