They _______ all the details of the plan time and again to make sure that the project went smoothly.
| A．got through | B．got up | C．went through | D．went up |
. _____ you may have, you should gather your courage to face the challenge.
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. I thought of him as my best friend until he ______ to the boss.
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. --- I know this is the latest type but it is second ---hand.. ＄20---that’s my last offer.
--- Ok. It’s a(n)_______.
| A．business | B．trade | C．agreement | D．deal |
. ______we’ll be able to drive a car______ by electricity, solar energy in about ten years.
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. The chickens will provide us _______ feathers, ______ we can make use for cleaning the table and benches.
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