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單項選擇題

Some say yes and others say no; I don't know （）to follow.

A.whether
B.what
C.whom
D.how

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單項選擇題

Shall we request the chairman（）our suggestion again?

A.toconsider
B.considering
C.consider
D.considered

單項選擇題

She is very nice, but because she has a（）way of speaking, she is slow in making friends

A.forbid
B.forbidding
C.forbade
D.forbidden