—Mum, is the pair of gloves _____ mine?

—Yes．You have to wear another pair．

A．washing

B．have washed

C．having washed

D．being washed

（）是进攻型选手在相持阶段常用的一种战术

A.发球抢攻战术

B.对攻战术

C.拉攻战术

D.以上答案都不对