Not only the students but also their teacher_______ the Great Wall before.
—He didn’t finish his homework, did he? —. He will finish it in an hour. A、No, he didn’t B、Yes, he did C、Yes, he didn’t
—Do you know whenback? —I don’t know. But if heback, I will call you. A、will he come, comes B、he will come, comes C、he comes, will come
—Hello! Could I speak to Mrs Brown? —Sorry. Shethe supermarket. A、has been to B、went to C、has gone to
Seeing believing.
The scientist has had a researchweather for more than 30 years.