Beforeyouleavetheclassroom，please__thelights.

-Look!Someone_______thefloor.It'sclean.

-Well,itwasn'tme.Iwentshoppingjustnow.

---HowwasyourvacationinShanghai?

---Oh,__________,Ican’tstandit.Thereweretoomanypeopleandtheweatherwastoohot.

Iusuallywalktoschool,but____buswhenitrains.

Thankyouforthe_______thatyougavemewhenIfeltEnglishtoodifficulttolearn.