___has recently been done to provide more buses for the people ,a shortage of public vehicles remains a serious problem . 
#74547
A
That
B
What
C
In spite of what
D
Though what
推荐题目
Can you make sure _____________ the gold ring? 
#74043
A
where Alice had put
B
where had Alice put
C
where Alice has put
D
where has Alice put
David can speak idiomatic American English and yet, _____ English, he doesn't know it at all. 
#73915
A
how to teach
B
when it comes to teaching
C
when he teaches
D
however he teaches
 ________ he seems to know everything.
#71483
A
Young as he is, yet
B
Young as he is
C
As he is young, but
D
Though he is young, but