—What were you doing at this time yesterday?—We _______ in the classroom. 
#39914
A
read
B
were reading
C
are reading
D
was reading
推荐题目
---How’s the weather in your city?---It _________.
#41916
A
rains
B
is raining
C
has rained
D
will rain
—— _______  you watching TV?    —— Yes, I _________.
#41496
A
Do, do
B
Can, can
C
Are, am
D
Are, do
—China develops so fast.— That’s true. It ______ a lot already. 
#40170
A
changes
B
changed
C
will change.
D
has changed.
---when _______the telephone________,do you know?---Yes.In 1876.
#39777
A
was,invented
B
are;invented
C
did;invent
D
had,invented