Why do learner drivers have to keep their present jobs They cannot ______ as taxi drivers yet.
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A cook will be immediately fried if he is found (smoke) ______ in the kitchen.
Tom is the only one who (pass) ______ the test already.
He is (perfect) ______ content to live in a hut.
Many runs faster than Lily, so we can say Lily runs (slow) ______.