【推荐1】—Look at the picture of the Beijing Daxing International Airport! I wonder ________ .
—That’s because it was completed within only 4 years and is run with the latest high technologies including cloud computing and 5G.

A．why is it called	B．if it is called
C．why it is called	D．if is it called

【推荐2】—You are late again! Can you explain ________?
—I’m sorry. The reasons are different every day.

A．why you always arrive late	B．why do you always arrive late
C．when you arrive	D．when do you arrive

【推荐3】She asked me whose jacket ________.

A．is it

B．it is

C．it was

D．was it

【推荐1】I don't know if it _________ tomorrow. If it _________, we will stay at home together.

A．snows; snows	B．will snow; snows
C．snows; will snow	D．will snow; will snow

【推荐2】— Jenny, do you know if your mother ________ back tomorrow?
— Sorry, I don’t know. As soon as she ________ home I will tell her to call you.

A．comes; gets

B．willcome; will get

C．comes; will get

D．will come; gets

【推荐3】—I wonder ________ next Friday, Lily. Do you know about that?
—So far as I know, we will do that if it doesn’t rain.

A．if we will take a field trip	B．will we take a field trip
C．why we will take a field trip	D．how we will take a field trip