问题详情:
Tom very hard to learn maths, but he was still not good at it.
A. tries B. tried C. is trying D. will try
【回答】
B
知识点:动词时态
题型:选择题
问题详情:
Tom very hard to learn maths, but he was still not good at it.
A. tries B. tried C. is trying D. will try
【回答】
B
知识点:动词时态
题型:选择题