My uncle’s house in the downtown area is much smaller than ours, but it is twice ____ expensive[ ]

You go through the security check（安检）before getting on the train.

You can hardly imagine the pleasure of chatting with friends on Wechat (微信).—Really But it ______ cause you much trouble if someone get your personal information.

writing your answer, please give careful __to the question

I borrow yourlighter for a minute— Sure, no problem.Actually, you ____ keep it if you want to. I’ve given up smoking.