问题

Where ______ the—They are having lunch in the dining hall.
A:is
B:am
C:are
D:be;
B:am
C:are
D:be;
正确答案是:
同类题型
I dropped my new iPhone on the ground last night. And it doesn’t work now.— _________.
Since he has made such good preparations , there ______be any difficulty in winning the first prize.
The scientists will succeed in their experiment______ they give up.
My uncle regretted his house in Shanghai last year, because the house price keeps rising.