Dad，there is a snake at the gate crawling this way.-Don’t ________，boys；there’s no danger.[ ]

I asked her whether she had done all the work herself ________ whether she had had asked sbfor help

Hi, Tracy, you looked tired.—I am tiredI______the living room all day

My name ____ Jack. Liu Ying andSun Mei ____ my friends.

_________ and clearly intelligent, Tony is a pleasant person to talk with.