单项选择题

All I can say about them（）that they are the most competent engineers I have ever seen.

A．have
B．has
C．are
D．is

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He was (disappoint)（）to hear that the football star would not play that day.
单项选择题
（）of the machines on display were made in China.

A．Second-fifths
B．Two-fifth
C．Two-fifths
D．Second-fifths
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