22 Although this problem( )many times,it was too difficult(
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22 Although this problem( )many times,it was too difficult( )
A has been explained;to understand
B was explained;to be understood
C is being explained;to be understood
D had been explained;to understand
1 把题目和选项都翻译一遍
2 说出正确选项
3 解释为什么.越详细越好.
A has been explained;to understand
B was explained;to be understood
C is being explained;to be understood
D had been explained;to understand
1 把题目和选项都翻译一遍
2 说出正确选项
3 解释为什么.越详细越好.
主句过去时,many times用完成时,所以用过去完成时
English is easy/ hard/ difficult to learn.语法要求不能变动,所以D
English is easy/ hard/ difficult to learn.语法要求不能变动,所以D
22 Although this problem( )many times,it was too difficult(
The maths problem was too difficult.____worked it out.
英语填空题 Although the problem was difficult,he solved it s_____
This math problem is too difficult _____.A.for me to work it
This problem is too difficult.I can't work it out,and()
This physics problem is too difficult for us to A work it ou
This problem is too difficult._____ students can work it out
This problem is too difficult.I can't work it out,and().
It is difficult () out this maths problem
单项选择( )1.----This physics problem is too difficult .Can you
( )1.----This physics problem is too difficult .Can you show
This problem is too difficult.Can you show me ______________