问题
选择题
Look, Tom ____________ in the river.[ ]
A. is swimming
B. was swimming
C. swims
D. swimming
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Look, Tom ____________ in the river.[ ]
A. is swimming
B. was swimming
C. swims
D. swimming
答案：A
