Jack took music       than any boy in his class and held a concert successfully.

-----Mum,my little sister is crying all the time. ------Mary,be _________!She feels sick.You should take good care of her.

It’s difficult to live in a foreign country, ______ if you can’t understand the language there.

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

Jim has _______ friends here, so he often stays at home and feels lonely.