f it (not be) ……is…….fine, we will cancel the party.
The moon (not move) …doesn't move…..round the sun. It (move)…moves……….around the earth.
The earth (be) ……is…………round.
How long does it (take) …take………….him to get there? – It takes him twenty minutes.
You (be) ……are……… Nga ? Yes, I (be) …am……….
29.The children (be) ………are……………. in their class now.
30.They (be) ……………are…………….workers ? – No, They (not be) …aren't…………..
Who do you (wait) …wait…………….for? – I (wait) ………wait…………for my sister.
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