_____ do you visit your grandparents， Timmy？
Once a week．（ ）
A．How manyB．How longC．How muchD．How often
Thanks for looking after me my illness，Millie．
Don't mention it．That's what friends are for．（ ）
A．throughB．againstC．withD．across
I know the city well that I don't need to use a map to get around．（ ）
A．quiteB．veryC．soD．such
To people's great surprise，the old building still after the strong earthquake．（ ）
A．refusedB．remainedC．requiredD．reviewed
How are the two college students getting on with their project work？
Pretty well． of them enjoys working with the local students．（ ）
A．BothB．AllC．EachD．Any
Earth is only home to everyone．Let's try to make it greener world to live in．（ ）
A．a；aB．the；aC．a；theD．the；the