青书学堂: My watch is nowhere to be found. I _____ when I was on the bus.
举一反三
- My watch is nowhere to be found. I （）when I was on the bus. A: must drop it B: might drop C: must have dropped it D: should have dropped it.
- My watch is nowhere to be found. I it when I was on the bus. ( ) A: have dropped B: must have dropped C: must drop D: can’t have dropped
- My wallet is nowhere to be found.I_____it when I was on the bus.
- My wallet is nowhere to be found. I ______ when I was on the bus. A: must drop it B: should have dropped it C: must have dropped it D: had dropped it
- My wallet is nowhere to be found. I（）when I was on the bus. A: must have dropped it B: must drop it C: should have dropped it D: have dropped it