letus(缩写形式)__________
()“Can I help you? ”“I'd like ______ bags of rice.”
“Here you are.” “_____(thank).”
Wewouldbrushour_______(tooth)twiceaday.
fox ，wolf ，friends ，and ，are
_________________________________
Therearesomanypeopleintheshop.Youmust________yourthings.
