This is the first time I ______ such beautiful music .
#92414
A
heard
B
am hearing
C
will hear
D
have heard
推荐题目
Only when you are in poor health_______ realize that health is _______.
#93640
A
will you; worthless
B
will you; priceless
C
you will; priceless
D
you will; worthless
_____, and I believe you will realize your dream. 
#92800
A
Making a little bit more effort
B
Make a little bit more effort
C
To make a little bit more effort
D
If you make a little bit more effort
_____________ that he did quite well in the exam.
#93808
A
He made so rapid progress
B
He made so rapid a progress
C
His English made such rapid progress
D
He made such rapid progress.