lets1=Symbol（）；lets2=Symbol（）；s1===s2//true。
lets1=Symbol（）；lets2=Symbol（）；s1===s2//true。
lets say
lets say
My mother lets me_____________________time.
My mother lets me_____________________time.
It lets you set and ___________ your ____________.
It lets you set and ___________ your ____________.
The teacher lets two students read the text.
The teacher lets two students read the text.
Lets give our friends a helpful hand!
Lets give our friends a helpful hand!
__________ lets you know how your message is being received.
__________ lets you know how your message is being received.
Marketing is what lets ( ) customers know that goods are available for sale.
Marketing is what lets ( ) customers know that goods are available for sale.
The Freerice site lets you choose from lots of subjects.
The Freerice site lets you choose from lots of subjects.
He lets his feelings run away______ his judgment.
He lets his feelings run away______ his judgment.