问题
John isn’t happy today. Let’s go and ____.—Good idea.
A:do
B:to do
C:does
D:doing;
B:to do
C:does
D:doing;
正确答案是：
同类题型
She devoted herself _______ to her research and it earned her a good reputation in her field
The girl has friends here, so she feels lonely.
I took my friend to the Summer Palace,___wehad some photos taken[ ]
Does your father go to work by bike—- No. He drives to work; he _________ goes to work by bike.