`1.` have had
`2.` have met - came
`3.` was studying
`4.` was walking - began
`5.` became
`6.` is sleeping
`7.` eats
`8.` was attending
`9.` arrived
`10.` has been
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`1.` The teacher told Nam to go to the blackboard.
`2.` The teacher told Nam not to be lazy anymore.
`3.` This machine hasn't been used for months.
`4.` They speak English and French in Canada.
`5.` It took Lan 40 minutes to do the exercises.
`6.` It's important to practise English every day.
`7.` They began working in that firm 12 years ago.
@ `Ly`
