I can’t understand ____________ the boy alone.
#37625
A
why did she leave
B
why had she left
C
why she left
D
why she had left
推荐题目
Everybody likes to work with ________ is reliable and easy to get on with.
#78780
A
whom
B
who
C
whomever
D
whoever
In war, the Red Cross is supposed to offer help _________ there is human suffering.
#78883
A
whoever
B
however
C
whatever
D
whenever
—Do you know ________, Jerry? —Sure.For a week.
#37687
A
when will Mr. Zhang come back
B
where will Mr. Zhang go
C
how long Mr. Zhang will be in the UK
D
how soon Mr. Zhang will come back
（2014年北京市西城区高三5月二模试题）31. A person who has never tasted bitter won’t know ______ sweet is.
#78748
A
which
B
what
C
when
D
why
— Could you please tell me ?— In three days.
#37844
A
when will your course start
B
when your course will start
C
when your course started
D
when did your course start