Choose the best answer for each of the following sentences.

If you don’t know how to spell a word, you ……… look it up in the dictionary.

Choose the best answer for each of the following sentences.

If I ……… my wallet at home this morning, I ……… money for lunch now.

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But for our parents, we ………………… successful in life.

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The campfire ………………… if it ………………… last night.

Choose the best answer for each of the following sentences.

…………… have enough apples, she’ll make an apple pie this afternoon.

Choose the best answer for each of the following sentences.

I will never talk to you again …… you apologize me ……… your being rude

Choose the best answer for each of the following sentences.

………………… you work harder, you will be sacked.

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It is too bad, Lam isn’t here. If he ……… here, he ………… what to do.

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If you ………………… to me, you wouldn’t have got so much trouble.

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If we …….. the plans carefully, we would not have had so many serious mistakes.

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If you take the ice out of the fridge, it …………………

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If the sun …………………, we ………………… for a walk.

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We should do something to protect water from being polluted ………… we will have nothing to drink in the future.

Choose the best answer for each of the following sentences.

Let’s knock on their door to see ……… home.

Choose the best answer for each of the following sentences.

I think you should stop smoking.