问题
They _________ the habit of visiting old friends,_________ I think is great.
A:keep on;which
B:keep up;which
C:keep on;as
D:keep up;as
B:keep up;which
C:keep on;as
D:keep up;as
正确答案是：
同类题型
Let’s ______ a magazine and a novel for Tony’s birthday, OK— Great idea!
Could you get me a piano, Mum—-There ________ enough room for one in our room. But we’ll try.
We’ll visit the zoo tomorrow. —________________.
straight on and you’ll see a church You won’t miss it
How is your English study —— Not bad. But I ______ learning English grammar.