He became very friendly when he ____________ that she was my sister.
A: was discovered
B: discovers
C: has discovered
D: discovered
A: was discovered
B: discovers
C: has discovered
D: discovered
D
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举一反三
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- The scientist ________ a new bacteria in 1912. A: discovered B: was discovering C: discovers D: have discovered
- Within days he became paralyzed, and people feared that he might die. But he _________. A: absorbed B: dissolved C: discovered D: recovered
- “How was ______ they discovered the entrance to the underground palace?”“Totally by chance.” A: it that B: he that C: it when D: he which
内容
- 0
He said he was an insurance salesman, but later on she discovered he was a(n) ______. A: alien B: counterpart C: client D: fraud
- 1
He was ________ when he discovered that he didn’t have enough money to pay for the red wind he had ordered.
- 2
He () very quickly after his illness. A: recovered B: discovered C: uncovered D: covered
- 3
It was merely_____ chance that he discovered the mistake.
- 4
Pluto, the outermost planet of the solar system, _____photographically in March 1930. A: discovered B: was discovered C: by discovery D: when discovered