He was a good swimmer so he _____ swim t
题型:选择题
问题:
He was a good swimmer so he _____ swim to the river bank when the boat sank. [ ]
A. is able to
B. could
C. was able to
D. can
He was a good swimmer so he _____ swim to the river bank when the boat sank. [ ]
A. is able to
B. could
C. was able to
D. can