—Did you see Tom? He said he would come back for supper at six o’clock.
—He seems _____ with Bob in the lake.
A. to swim B. to be swimming C. to have swum D. swimming
—Did you see Tom? He said he would come back for supper at six o’clock.
—He seems _____ with Bob in the lake.
A. to swim B. to be swimming C. to have swum D. swimming
B