_______ fun it is to have a field trip on the Orange Island!（ ）
A．WhatB．What aC．How
Mom， I bought us two tickets to the 2018 World Cup in Russia．
Really？_____pleasant surprise!（ ）
A．HowB．WhatC．What a
You mustn't drive a car on the road____ you get a driver's license． （ ）
A．unlessB．ifC．since
How many apples can I have？
You can have two．___are for Jim． （ ）
A．The othersB．OthersC．The other
Do the twins look the same？
No． Jane is____ taller than Claire． （ ）
A．littleB．moreC．a little
Is the man over there Adam？
It ____ be him． He has gone to Hong Kong on vacation． （ ）
A．mustB．can'tC．mustn't