It was playing computer games_______ cost the boy plenty of time______ he ought to have spent doing his homework.    

Tipping is neither encouraged nor common, although visitors may reward special services if they wish, _________ 10% of the bill is enough.
A which      B where       C in which       D in which case

With the development of agriculture, the people_____ village I taught arenow living a happy life.  

Mark drives his car too fast and, what’s more, very carelessly,         worries his mother.
A  as      B.what       C. it       D. which

At the class meeting, he made two suggestions, ______ were of great value.

I have the same opinion as yours _____ we should carry out the experiment at once.

I’ll never forget such a beautiful place __________ I spent my childhood there with my grandparents.

— Tell me something about his match in Sydney.
— Well，he got the championship，        we had expected.He made it at last.

Mark Zuckerberg is the founder of the site Facebook, ______ you can have a
look at each other’s pictures.

He gave his daughter some money, ___________ she could buy an English-Chinesse dictionary.