China has opened its _______Antarctic research base (南极科考站) – the Taishan Station.
I think Jim is the fastest runner in his class.——I .
one of the two women is Mrs. Brown,our neighbor.
—There were lots of fish in the river years ago.…Yes, but there are very now because of the pollution.
We have two hours homework to do this aft moon. So we don't have timeafter-school activities.
——I think Betty is very helpful.—— she always gives her seats to others on the bus.