优优班--学霸训练营 > 知识点挑题
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            • 1.

              Upon their entering the tomb, Carter’s lucky pet bird, which he _______ in Cairo, was swallowed by a snake.

              A.has left
              B.had left
              C.would leave
              D.was to leave
            • 2.

              By the time I went out of the library, the ground ________ full of snow.

              A.would he
              B.was
              C.has been
              D.had been
            • 3.

              When I wanted to show off at the party, the song I _____ so many times suddenly became difficult, somehow.

              A.would practice
              B.have practiced
              C.have been practicing
              D.had practiced
            • 4.

              Before I began this job, I ________ a babysitter for two years.

              A.have been
              B.was
              C.would be
              D.had been
            • 5.

              这是海伦第一次理解如此复杂的词。

              It was the first time Helen _____ _________ ________ _____ ________ word.

            • 6.

              By the time the police came to the scene, the two passengers injured in the accident _____ to the nearby hospital.

              A.were sent
              B.are being sent
              C.have been sent
              D.had been sent
            • 7.

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