It is obvious ______ the local government can do to protect the environment for the next generations.

A. how B. what C. that D. which

--- Cathy, why does your roommate look angry?

--- I’m also feeling puzzled. Maybe I ______ a nerve while asking about her former boyfriend.

A. have touched B. was touching C. had touched D. touched

Both students and parents appreciate the great importance schools have ______to eyesight protection.

A. reacted B. attended C. attached D. adapted

There are many new central leaders in China now, ________ many once worked in the western provinces.

A．in which B. of whom C．in whom D．for whom

___________ we can have clean drinking water lies in ___________ effective measures will be taken by the government about water pollution.

A．Whether；that B．If；that

C．Whether；what D．If；what

I find that looking after children is a fun and challenging job ___________ you need to be patient and careful．

A．That B．which C．where D．when

Actually，the London Olympic Park is built _____________ there used to be a poor area called East London．

A．what B．when C．where D．why

He telephoned to inform me of your birthday．____________，I would have known nothing about it．

A．However B. Otherwise C．Therefore D．Thus

—Did you enjoy your journey to the village?

— __________．We had driven more than 3 hours before we found the right way．

A．Of course B．Quite a lot C．Not exactly D．No problem

They must have been enjoying themselves there，or they __________ so long．

A．wouldn’t stay B．needn’t have stayed

C．wouldn’t have stayed D．couldn’t stay