问题
选择题
Now that there are still some problems remaining ______, we have to work extra hours tonight.
A．solved
B．solving
C．to be solved
D．to solve
答案
C
题目分析：考查remain的用法:句意：现在还有很多问题有待去解决，我们今晚要加班了。Remain to be done有待去做，选C。
点评：remain意思有1、遗留 2、继续remain是及物v.，remain可以跟sth. remain的主语可以是sb.也可以是sth.用法有1、sb./sth. remain+ n./adj.意思是“...依然...” 2、sth. remain to be done意思是“...有待被做” 3、sb. remain doing sth.意思是“...依然在做...”