In case the ......... of the certificate fails to come, just keep it in the safe.
A. holder B. owner C. patron D. recipient

He opened the letter without _______ to read the address on the
envelope
A. worrying
B. bothering
C. fearing
D. caring

I don’t agree with you, but your idea certainly gives me food
…………….
A. For fun
B. for consider
C. for thought
D. for thinking
  

‘Color’ is just a............. from ‘Colour’.
A. change B. difference C. variant D. merge

…………….he finally decided to go ahead with the new marketing
project
A. From any rate
B. to any rate
C. in any rate
D. at any rate

(Many) bridges in New England (were covered) with wooden roofs
to, protect (it) from (rain and snow)

Venus, (the second) planet (from) the Sun, is (exactly almost) the (same size) as the Earth

It is (undoubtedly) true that the Watergate scandal was the worst
in U.S political history
A. Considerably
B. arguably
C. indecisively
D. without question

The evidence that carbon dioxide levels are rising is _______
A. inevitable
B. unavoidable
C. undeniable
D. indelible

Aerobic bacteria transforms wastes in water into less (dangerous)
substances
A. Stable
B. precarious
C. tender
D. harmless