Which of the following sentences has a different sentence structure from the other three?
A.People feel cold in winter.
B.Summer is my favourite season.
C.Leaves turn brown in autumn.
D.Children like flying kites in spring.
—Kevin, shall we visit Nanjing Imperial Examination Museum use for factories tomorrow?
—Good idea! But I'm not sure ________ it will open. It's Sunday tomorrow.
A.what B.whether C.when D.why
Which sentence should be put at the first of the paragraph on the right?
________ Water and soil help provide us with necessary' food and drinks. Coal, oil and natural gas are not only useful for families, but have wider use for factories.
A.Our environment is changing for the worse.
B.People depend on natural resources to live.
C.People have many ways to protect the environment.
D.Some natural resources will run out if we use them carelessly.
________ it is often cold in the mountains, you'd better wear warm clothes to go outside.
A.Though B.Unless C.As D.Until
—Do you know when Grandma is going to visit us, Alice?
—It's next week. She ________ me on the phone. And we'll take her to the national park
A.told B.is told C.will tell D.was going to tell
Life is like a running race. Whatever difficulties you meet, don't ________. Just move on.
A.give up B.come out C.set off D.push in
