问题
It is every citizen’s duty to _____ our country when she is attacked by the enemy．
A:approach
B:defend
C:support
D:preserve
B:defend
C:support
D:preserve
正确答案是：
同类题型
He’s not got another job yet and it’s not______ he will for some time
The competition between the two restaurants was______
The boy’s ______ expression on his face suggested that he must have met across something______.[ ]
The old king decided to retire and theheavy load of responsibility to his three daughters