_______ this sentence a second time, the meaning will become clear to you.
A．If reading B．When you read C．Reading D．Read
Global warming is a big _______ for all and it’s important to raise awareness about climate change.
A．reward B．concern C．evolution D．boom
— You _______ for me this morning. I came over here with Michael in his car.
— Well, why didn’t you let me know earlier?
A．should have waited B．would have waited
C．couldn’t have waited D．needn’t have waited
— Does your father like going to movies?
— Not really. He seldom, _______, visits the cinema.
A．in addition B．when necessary C．if ever D．above all
There are many choices to make in life but _______ is more important than what goes on in your heart.
A．nothing B．neither C．none D．no one
When I am down, my parents will do what every parent will do, _______ is to hug me tighter and tell me I am the best.
A．which B．what C．that D．who
