问题详情:
He found it hard _____ his class .
A. to catch up with B. to catch up C. catch up with D. catch up
【回答】
A
知识点:非谓语动词
题型:选择题
问题详情:
He found it hard _____ his class .
A. to catch up with B. to catch up C. catch up with D. catch up
【回答】
A
知识点:非谓语动词
题型:选择题