Sometimes he found _______very hard to fall asleep at night, so he went to see the doctor．
#16207
A
him
B
this
C
that
D
it
推荐题目
On Sundays I want to do ________.
#56853
A
differentsomething
B
somethingdifferent
C
anythingdifferent
D
different anything
—Which of the two books will you buy?— I’ll buy _____ of them, because I’m not interested in them.
#15633
A
one
B
either
C
none
D
neither
Of my five favorite novels，one was written by an American writer．Mark twain and_______ by an English writer ,Charles Dickens.
#14676
A
four other
B
other four
C
the four other
D
the 0ther four
The poor little boy longed for a pretty toy train,______ his father could never afford.
#14869
A
that
B
the one
C
one
D
it .