Her father was too tired_________ too much hard work．
#48390
A
because
B
as
C
for
D
because of
推荐题目
It’s generous _________ them to donate money to UNICEF. They think it important __________ them to help poor children go to school.
#46690
A
to; for
B
for; of
C
of; to
D
of; for
______ summer nights, we often go to sleep ______ the window open.
#48357
A
At; with
B
On; with
C
In; for
D
At; on