Not knowing how to grow crops,the primitive people had no ______ but to gather the fruit and hunt animals for food.
It was the dream that he would make ______ good fortune on the international stages that made Lang Lang decide to go to the USA for ______ further study.
Students build up their vocabularies byof reading more.
—Hi, is Mary there, please? —.
My friend Li Ping feltwhen he was not admitted into the university.
—Why are you so nervous? —To our great surprise, we foundby the strangers.