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I'm not sure whether I can gain any profit from the investment, so I can't make a(n) ____ promise to help you

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Analysts suggested the country ____ its infrastructure to get foreign investment

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Before ................., they used horse-drawn wooden carts

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If you .............................. any money, I’d give you some

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He's _________, so he can't hear your voice

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While the theory is indeed very important, part of it is expendable and should be done away with to make the lesson easier to understand

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Look at these photos. They ________ in Brazil or Columbia. Certainly not in Cuba

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Just a minute! I must have a shower and __________before we go out

When____________ cool, we often walk along the streets.

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Don't worry, problems like this sometimes turn __________ with new heaters

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My mother ________ my breakfast every morning.

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Do you think you'll ever go ........  London?

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I’m so sorry! I didn’t break that necklace ____.

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Not until we the school for children with disabilities ____ how they ____ overcome difficulties

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All the employees had read the instructional manuals _______

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I ____ her for so long a time that I've forgotten what she looks like

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The teacher has _______ come into the principal's room

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Is the washing machine _____ use right now?

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

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The weather won’t improve if we sit here and look out the window, ____?

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He gave her a present to ____________ amends for his rudeness