We lived together_____ before.

—What do you think of your last trip? —I had a very scary______in the mountains. I won’t go there again. 

-----When shall we go to the museum , this afternoon or tomorrow morning?------ ________ is OK . I’m free these days .

--What about those two new shirts ?--I like them, _____ of them looks good on me.

Billy: I’ve been fixing the computer for over three hours, but it still doesn’t work. Nana: Why don’t you take a rest and try 　　　?  Maybe you’ll do better then.