1) We looked at the sky and saw ___ in the clouds. a) the plane disappear b) the plane to be disappearing c) the plane to disappear 2) Betty felt ___ to tremble. a) her hands begin b) her hands to begin c) her hands to beginning 3) I saw her ... into the building. (process) a) to come b) coming c) come 4) I saw them ... in the park. a) to play b) playing c) play 5) I saw you ... in the park. Everybody liked it! a) to dance b) to dancing c) dancing 6) Shh! I hear someone ... . a) cry b) to cry c) crying 7) I'd like him ... this task so well. a) to do b) do c) doing 8) I heard her ... a famous English song. a) to sing b) singing c) sing

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