题目

二 （）begins at eight in the morning.1 Classes 2 class 3 Class 4 Lessons
三 They are （ ）their teachers 1 listening to 2 listening 3 listening for 4 listen
四 His teacher is （ ）in English 1 saying 2 speaking 3 telling 4 talking
五 His teacher is talking about （） 1 to write 2 write 3 writes 4 writing
They study （ ） 1 hard 2 careful 3 glad 4 good
一 jim and mike often play （ ）1 a game 2 games 3 game 4 the game
1+2+2+3+4+5+6+7+8+9=100
改变符号 使下面等式成立

提问时间：2021-04-01

答案

3
1
2
4
1
2
(1-2)*2+3*4+5+6+7+8*9=100