_________ enough evidence, the police gave up charging the man with murder.
A．Absent from B．Rich in
C．Because of D．In the absence of
The pregnant woman is about to give birth to a baby, so we’d better ________ a doctor immediately.
A．send in B．send off
C．send for D．send away
We have been told that under no circumstances _________ the office telephone for personal affairs.
A．can we use B．we can use
C．we use D．did we use
It doesn’t matter how many times you fail ;_________ matters is how many times you stand up and try again．
A．which B．that
C．who D．what
I’m still wondering__________ put the Christmas gift under my pillow．
A．whom it is that B．it is whom that
C．it is who that D．who it is that
Sixty-six Chinese athletes attended the 2014 Winter Olympics，three ________won gold medals．
A．of whom B．of them
C．among which D．among them
