[ Modal Verbs ]
Lucky you managed to hang on to that tree. You _________________________down the diff.
A. must have fallen
B. could have fallen

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Grammar › ViewChoose the word that is different
A. table
B. interesting
C. box
D. woman
Grammar › View
After eating dinner, I have to do the ____ and then do my homework every day.
A. washing-up
B. wash-up
C. washing-ups
D. washings-up
