_______has recently been done to provide more buses for the people ,a shortage of public vehicles remains a serious problem .  
#73038
A
That
B
What
C
In spite of what
D
Though what
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---When can we use this lift? ---Not until it____________ next week.
#41047
A
will repair
B
is repaired
C
will be repaired
D
repairs
 He bought some books, ______ were expensive.
#71965
A
most of which
B
the most of which
C
most  
D
the most of that
   ,Mother will wait for him to have dinner together.
#71631
A
However late is he
B
However he is late
C
However is he late
D
However late he is