There is a boy in the river. He ____ across the river.
A: is swimming
B: swimming
C: swim
D: swims
A: is swimming
B: swimming
C: swim
D: swims
举一反三
- It‘s interesting( ) in the river in summer. A: swim B: to swim C: swims D: swimming
- The boy is good at ___. A: swims B: swimming C: swim
- _______, we went swimming in the river.
- One of the children _____ in the river last summer. A: was swimming B: is swimming C: are swimming D: were swimming
- The naughty boy ____(swim) in the river.