Tom didn't go to school_______ this morning because he overslept.
#50752
A
at once
B
on time
C
by accident
D
at present
推荐题目
 I couldn’t get through the door because there was a big box ______.
#51290
A
by the way
B
on the way
C
out of the way
D
in the way
They will build nature reserves _____ protect ______ birds.
#48370
A
to; in danger
B
for; endangered
C
to; endangered
D
for; in danger