Having a trip abroad is certainly good for the old couple, but it remains ______whether they will enjoy it.

China is larger than ________ country in Africa(非洲).

The40-somethings found themselves in an embarrassing situation _____ rapid changesin all aspects of society

To fetch water before breakfast seemed tome a rule ______

He said＿＿＿＿＿his sister had passed the entrance examination of college, and＿＿＿＿＿she would go to college in about 20 days.