What do you think of the lecture of Li Yang’s Crazy English?-I think it’s , but someone thinks it’s much too .

When you get on a bus, it’s polite to wait for ________ turn.

Have you seen my iPhone 5? I left it here this morning.— Is it black one? I think I saw it somewhere.

______ an hour in the morning and you will be looking for it during the rest of the day.

My family______watching TV in the sitting room now．My family_______a big one．