—Why are you late, Jim?—Because there _________ a lot of traffic when I came here.
#60093
A
is
B
are
C
was
D
were
推荐题目
We still don’t know what _________ while we were away from home.
#53337
A
had happened
B
was happened
C
has happened
D
happened
We’ll ___ for you outside the school gate.
#58650
A
waits
B
waiting
C
wait
D
are waiting
Robots _______ do housework instead of people in the future.
#51958
A
will be able to
B
will can
C
could
D
were able to