After class, I like playing computer games and chatting ______ my friends ______ the Internet. [ ]

I_________for an English test when she came in at this time of yesterday.

I wait for him here? – NO , you needn’t

How was your weekend? —Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.

Do you know the cost of buying a house in Shanghai is much higher than __ in Tibet? —Of course, I know. It’s impossible for me to buy_____ there.