Question

Answer 1

小题1:There is a tree behind the house.
小题2:The boys were climbing hills while the girls were playing volleyball yesterday afternoon.
小题3:Reading in the sun is bad for your eyes.
小题4:Don’t forget to wash hands before meals.

试题分析：
小题1:根据图画内容及提示是房子后面有一棵树，所以用there be结构，即There is a tree behind the house.
小题2:根据图画内容及提示是昨天下午男孩们正在爬山，女孩们在打排球，所以是The boys were climbing hills while the girls were playing volleyball yesterday afternoon.
小题3:根据图画内容及提示是在阳光下读书对眼睛有害，所以是Reading in the sun is bad for your eyes.
小题4:根据图画内容及提示是不要忘记饭前洗手，所以是Don’t forget to wash hands before meals.