She said she had some trouble ___________ her homework.
— ______it is to have a close match after a day's work!— I think so.
— How long has Wanda Square_______? — It is more than five years________ it opened.
— 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.