优优班--学霸训练营 > 知识点挑题
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            • 1.

              The problem is so difficult that it’s __________for me to solve it in two days. (possible)

            • 2.

              The man was so worried because his son had a terrible ___________. (ill)

            • 3.

              It was __________ yesterday, but there is much rain today. (sun)

            • 4.

              --The fireworks are very dangerous, so be         with them.

                  --OK, I will.

            • 5.

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

            • 6. Bob is my best friend, but we have nothing ________ common.(  )
              A.in
              B.on
              C.to
              D.as
            • 7.     Can Tom speak Chinese?
                  Yes.      His friends" help,he can speak Chinese well now.(  )
              A.By
              B.Under
              C.With
              D.In
            • 8.     When is Thanksgiving Day?
                  It"s      the fourth Thursday       November.(  )
              A.in;on
              B.on;in
              C.at;in
              D.on;on
            • 9. Look!The young girl is dressing up __________ an old man _______ a black coat.(  )
              A.as; as
              B.in; as
              C.as; in
              D.in; in
            • 10. It's time for you______(change) your lifestyle.
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