It was recommended that passengers ______ smoke during the flight.

Facing the board of directors, he didn’t deny __________ breaking the agreement.

When the sentence "Shall I drive your to the airport first?" is turned into indirect speech, which of the following is most appropriate?

Fool ____ Michael is, he could not have done such a thing.

When the sentence "They had made a mess of the house" is turned into passive voice, which of the following is CORRECT?

Which of the following italicized parts modifies an adverb?

The research team can handle ____ needs to be handled.

Which of the following reflexive pronouns (反身代词) is used as an object?

Which of the following tag questions is INCORRECT?

Please pardon ____ you.

Which of the following italicized parts indicates a predicate-object relationship?