When can I play computer games, Mum?–______ your homework _______.

My IPAD has gone wrong. I’ll have it__________.— Why don’t you have Uncle Wang _________ it? Nobody can if he can’t.

The Dongying-Hainan airline for about 5 months. I have taken the flights three times.

Not until I had arrived home______ my appointment with Michael Smith.

Is this __________ English book? — No, it isn’t. It’s __________ Chinese book.