高中英语词类活用之动词的时态专项练习

高中英语词类活用之动词的时态专项练习 1、 A survey of the opinions of experts ____ that drinking a glass of hot milk before going to bed helps one sleep well．        A．shows        B．show          C．is showing       D．have shown 2、I __________ for the No.201 bus for over half an hour, but none of them _____ yet        A have been waiting; has appeared     B have been waiting; is appeared        C have waited; has appeared            D have waited; appeared 3、The number of private cars in China __________ since 2005, but only 15 percent of them __________ made in China.    A. has been increasing; are                 B. have increased; is    C. has been increased; is                   D. had increased; are 4、 —Do you know the most ancient city in China—Xi’an well? —No，this is the first time I ________ here. A. had come        B. am coming         C. have come          D. came 5、The Smiths ______ their breakfast when the morning post came. A. had         B. has been having  C. are having  D. were having 6