1.What………..you (do)…………………….at 9.30 last night.
 2.If you have some money, What……………you (do)…………..with it.
 3.Do you mind (close)…………………….the windows? It is very cold
 4.I suggest (save)………………..energy in the kitchen.
 5.I wish I (have) …………………..more time to finish the test now.
 6.They made their living by (catch)………………….fish in the oceans.
 7.I ( not write) ……………………..to Liz for three months.
 8.Nga enjoys (walk)…………………in the morning.
 9.Look! The birds (teach)………………..their children to fly.
10. Minh used (cry)……………………much when he was a very little boy