优优班--学霸训练营 > 知识点挑题
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            • 1.

              What caused the accident remains _________. We need to do more research on it. (know)

            • 2.

              Mr Smith received the _________(invite) to a party next weekend.

            • 3.

              It is not a good idea to drive there on such a _________(fog) day.

            • 4.

              Which of the following nouns can be added the suffix “-y” to form adjectives?

              A.nature
              B.hope
              C.danger
              D.thirst
            • 5.

              He brushes his teeth ___________ ( two ) a day.

            • 6.

              Weˈre talking about something important. Please take it __________ (serious).

            • 7. Liu Qian put some coins in a magic box and said, “They will _______ soon.”             (appear)
            • 8.

              seven    person    pronounce    high   valuable

              (1) 

              Time is          thing in the world because time never goes back.

              (2) 

              It is not polite to ask a stranger questions about his         life.

              (3) 

              Peter and his wife live on the           floor and they go up and down by lift.

              (4) 

              Many countries speak          of China's high-speed railway technologies.

              (5) 

              Do you known the word“either”has two         ?

            • 9.

              The big snow made it ___________ (possible) for us to go out.

            • 10. --- It’s reported that a person will drink about 80 tons of water all his life.

                --- Wow, it’s ______ that we need so much water!

                   

              A.unfair
              B.unusual
              C.unnecessary
              D.unbelievable
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