Be careful，________ you'll make fewer mistakes in the exam．（ ）
A．orB．butC．and
Where is Xi's Family Garden（习家池）？
It ______ 5 km south to the Old City of Xiangyang．（ ）
A．liesB．livesC．laysD．lists
You like to drink coffee，don't you？
Yes．But I'm ______ drinking tea，too．（ ）
A．able toB．similar toC．used toD．ready to
I can't stand swimming in cold rivers in winter．
But it's ______ for your health．You know I often swim in rivers in different seasons．（ ）
A．helpfulB．harmfulC．painfulD．careful
Look!So many colorful bicycles in two lines over there．
They're for public．This ______ of green smart traffic is everywhere in Xiangyang city．（ ）
A．numberB．pairC．kindD．piece
Who is Dave looking ______？
His mother．She's been in hospital for a few days．（ ）
A．forB．afterC．atD．up