How long has he ________the village school？
Since he graduated from the university．（ ）
A．gone toB．been toC．taught inD．arrived in
Could you tell me ______you will start your vacation？
In a week．（ ）
A．howB．whatC．when
Mum， I'd like a cup of coffee．
Dear， why not drink some water？It's ______than coffee．（ ）
A．healthyB．healthier
C．the healthiestD．healthy
Chinese ______by more and more people around the world．（ ）
A．is spokenB．speakC．speaking
Did you see the sign "No Swimming"？You ______swim in this river．（ ）
A．needn'tB．mustn't
C．don't have to
Look! Trees are green and flowers are everywhere．
______beautiful place it is!（ ）
A．How aB．WhatC．What a