If our whole society keeps trying, we ________our sky blue again.

A.making B.will make C.make D.made

No one can learn English well ________ he works hard on it.

A.if B.unless C.though D.while

It's not proper to make a big decision ________  having a discussion with your parents.

A.among B.towards C.without D.from

With confidence, we can ________ overcome the difficulties we face.

A.certainly B.carelessly C.generally D.slowly

You should ________  to this invitation immediately whether you will go to the party or not.

A.invent B.answer C.reply D.appear

She has no time to go to the park, because she has to prepare for the coming ________．

A.exam B.duty C.part D.note

(2019沧州二模)I do believe friendship requires________， or it will break easily.

A.trust B.trouble C.tradition D.suggestion

(2019承德县一模)If you want to get a better grade, it is important to pay attention to the ________ you have made.

A.solutions B.decisions C.relations D.mistakes

(2019天水改编)I don't know if Sam will come tomorrow. But I will tell you as soon as he________．

A.comes B.will come C.came D.to come

(2019青岛)As middle school students, we ________ follow the public rules wherever we go.

A.would B.should C.might D.could