—The box is too heavy to carry. What's in it?      —Oh, it is ________ books.
#52300
A
filled with
B
covered with
C
used for
D
asked for D
推荐题目
My mother often _________ early in the morning, but I seldom _________ before 6:30.
#55664
A
wakes me up; get up
B
wakes up me; get up
C
gets me up; wake up
D
gets up me; wake up
Every minute must _______ full use of _____ our lessons. 
#54716
A
be made; doing
B
make ; do
C
make; done
D
be made ; todo