We should _________to buy products that come from wild animals． A large number of them are in danger．（ ）
A．stopB．decideC．refuseD．continue
Could you please put some______in my cup？ I'd like sweet coffee．（ ）
A．sugarB．saltC．iceD．pepper
Excuse me， could you please tell me ____ from here to the airport？
Sure． It's about 100 kilometer．（ ）
A．how far it is
B．how long it takes
C．how far is it
D．how long does it take
____ popular festival Halloween is in North America!（ ）
A．WhatB．What aC．HowD．How a
Most British people drink tea every day ____ they prefer black tea． They usually add milk or sugar to their tea．（ ）
A．soB．orC．butD．and
My grandparents like stories ____ have happy endings．（ ）
A．theyB．whoC．whichD．/