单项选择题
It is（）practice to bring a present to the hostess when one is invited to dinner.
A.general B.usual C.ordinary D.common
单项选择题 She was a simple, （）and hard-working woman.
单项选择题 In the bitter cold, the explorers managed to（）despite the shortage of food.
单项选择题 With the winter here you can（）these skirts till you need them again next summer.
