2015-2016学年人教版高中英语必修4M4U1+Learning+aboutlanguage
2015-2016学年人教版高中英语必修4M4U1+Learning+aboutlanguage第3页

The boy _____ diving.

They _____ diving.

Both Jack and Tim _____ diving.

All of them _____ diving.

Neither Jack nor Tim _____ walking.

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are

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are