— What are the boys doing?— They _______________ in the boat. [ ]A. sittingB. are sittingC. sit-五年级英
[ ]
题目简介
— What are the boys doing?— They _______________ in the boat. [ ]A. sittingB. are sittingC. sit-五年级英
题目详情
— They _______________ in the boat.
[ ]
B. are sitting
C. sit
答案