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He will be back _______ 4.15 and 4.30.

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Old furniture, vintage jewelry, and other ------are available for sale at this market.

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Walking in a rainforest or going scuba-diving over a coral reef helps us to relax and feel at _________.

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My headmaster made a ……….. at his retirement party.

_____________ of the students in my class could solve the problem yesterday.

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The contract must be signed ------- opening of formal discussions.

If there are aliens out there, do you think they are much more ____ advanced than we are?

I thought you said she was going away the next Sunday, _______ ?

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The children slept well, despite _____.

There ___________ at the door. 

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That problem is............. them. We can't make........... our mind yet.

He took a lot of interest .........  our work and he promised to help us  ............... any troubles.

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In an attempt   _________ sustainable energy, city officials have had solar panels affixed to some public buildings.

Choose the best answer among A, B, C or D that best completes each sentence: Many companies are on the …..of ruin.

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When he is nervous, his hands …………

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FryMate brand cookware can be purchased directly from the company's website or at a retailer ___________   you.

The girl denied ..................... the news.

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Stephen always wanted to be an actor when he............... up.

As a ................... measure, Cordell Financial Fund does not disclose information about its clients unless legally mandated to do so.

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------- the right environmental conditions, this tree will yield fresh fruit for most of the year.

None of the serious ideas submitted at the end of each month is ..............