—What do you think of Harbin and Qingdao in winter? —I think Harbin is______than Qingdao.

The new trains are much ______ than the old ones. 

-----Why do many people like to ride bikes?----Because bikes not only need ________ space, but also cause _________accidents.

When spring comes, the days get ____ and the nights get _____. 

I had to call a taxi because the box was _______ than I’d expected.