当用地面高压气源车启动2发时，交输引气选择器必须设置在
（ ）位。

He is not （）        a fool   （）     .

A steel plant is a place      （）   I am longing to visit these years.

Do you know who lives in the building   （）       there is a well.

She had three sons, all   （）       became doctors.

I, （） your good friend, will try my best to help you out.

Did she tell you anything （）        had happened to her?

My hometown is no longer the same      （）    it used to be.

Is this the leaning tower       （）   Galileo did experiments centuries ago?

I’ll never forget the day （）         I joined the army.

Those （）       not only from books but also through practice will succeed.