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In the South of Viet Nam, there are only two ............. a year.

Those children always help their parents ................the house work.

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Once _______ for its efficacy, the latest vaccine will be readily available

We often go swimming when the weather is_____________.

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Many species are now ____ danger of being extinct as a result of deforestation and habitat loss

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Regrettably, the popularity of this lake with tourists has contributed _______ its pollution

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We ____ Lisa recently

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Katie’s friends are coming for the weekend party, so get lots of chocolate .......... 

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Please ------ the sources for all of the statistics included in your report

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Do you mind….that everyone has got a ticket?

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Turns ___________ I never lost the ticket—it was in my pocket the whole time

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......... kids! Simmer down and get on with your work!

Find which word does not belong in each group.

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We're currently ______________ steps to secure funding for the project before we announce it to the public.

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You better leave now if you don't want rush hour traffic to hold you _________

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Can you believe he set the charity ___________ when he was just 15?

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By 1820, there were over sixty steamboats on the Mississippi river, _____ were quite luxurious

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 It’s twelve o’clock, Nam. Let’s________ home.

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She wishes she could do some _____ work this summer

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I'm eager to get out of the city and take __________ some mountain air!

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If you'll just hold ____________ a minute, I'll pull up your file