问题
At that time we lived in houses which ___________ old, cold and unsafe.
A:are
B:were
C:is
D:was
B:were
C:is
D:was
正确答案是：
同类题型
My father likes reading. There ________ many books on his desk.
Another cup of coffee? —No. thanks. I _____ be off. Marry is waiting for me.
You can’t _____ jeans to the party.If you do so, the teacher won’t let you ___.
Who is your new head teacher this semester? —The woman_______ is wearing a red skirt.[ ]