The man stopped from time to time_______whether he was being followed.
By tradition, on __________ Independence Day, Americans play sports, have barbecues and hold parties throughout __________ day to celebrate this festival.
The big flood has caused great to the local economies in Heilongjiang Province.
I Beijing in a few days. Do you know when the earliest plant ?
Mr. Li certainly a new house if more new houses .
Do you remember those days we spent very happily along the seashore last summer?