Tony, my best friend, has done _______ he can to help me out of trouble.
#68862
A
all that
B
all what
C
which
D
all which
推荐题目
--- Did you ask the guard _______ happened? --- Yes, he told me all _______ he knew. 
#73789
A
what; that
B
what; what
C
which; which
D
that; that
The meeting was put off, _____ was exactly _____ we wanted. 
#71983
A
it;that
B
as;that
C
which;what
D
this;what
Many experts agree that there is a possibility___ in this area in the following days.
#69074
A
when some more earthquakes may happen
B
that some more earthquakes may happen
C
where may some more earthquakes happen
D
what may some more earthquakes happen