—What are the boys _____? —They are ____
题型:选择题
问题:
—What are the boys _____?
—They are _____ the radio.[ ]
A. do; listen to
B. does; listening to
C. will do; listening to
D. doing; listening to
—What are the boys _____?
—They are _____ the radio.[ ]
A. do; listen to
B. does; listening to
C. will do; listening to
D. doing; listening to