—Is your mother’s father your ?—Yes, he is.
— Why didn’t you try your best to get on the subway? — I tried to, but it started moving ______ I could get on it.
— Could you please tell me________ in Ningbo ? — Yes, there is a good one in Yin Zhou District.
— The number of pandas is getting________ because their living areas are becoming polluted. — So we must do something to protect them.
— The sick man’s allowed to take a walk in the garden every day, ________?— Yes, I think so.
— Food problem is becoming a big one in China! —I think the food ________ before going to shops or supermarkets.