问题
He was unable to make such progress, _______.
A:as he tried hard
B:as hard he tried
C:so hard did he try
D:hard as he tried
B:as hard he tried
C:so hard did he try
D:hard as he tried
正确答案是：
同类题型
He got up very late, _________ his school bag,and _________ to his school at once.
____, dear! Things won’t be as bad as you think. There certainly will be chance for you.
Friends are those _____ always stand by your side when you need help.
It is a good habit to______ your school things afterfinishing your homework.