题目内容：

Jack 【do 】 homework in the evening.
括号前面填什么【包括以下】用所给单词的适当形式填空
1 Mr Brown 【teach】us Chinese.
2 He 【write】e~mails now.
3 There 【be】 a desk and two chais in the room.
4 They 【collect】ceaves tomorrow.