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Though success was far beyond reach, ________.

Andrew’s mother looks so young ________ his sister.

A.withB.inC.on

—Sorry, I don't have much ______________of the computer.

A.introductionB.informationC.knowledge

The guests who were isolated could get ________in this hotel.

I don’t think that it ________to finish reading the whole book.

—Of course, it ______________very soft.

A.looksB.smellsC.feels

If you ask for help ________ a question, you’ll sound much more polite.

—Sorry. I________ (tidy) up my study and forgot the time completely.