Dr Yuan makes______ possible______ one-third more of the crop in the same fields.
| A．it; produce | B．it; producing | C．it; to produce | D．it; produced |
. 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.
|
. The chickens will provide us _______ feathers, ______ we can make use for cleaning the table and benches.
|
. --- This book by Tony Garrison is of great use for our course.
--- But I think his latest one is______ worth reading.
| A．better | B．more | C．well | D．very |