单项选择题

Do you often look out of the windows while you ______ lessons

A．have
B．had
C．are having
D．has
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单项选择题
Everybody including the White Brothers ______ to have a holiday there.
A．wants
B．want
C．will want
D．do want
单项选择题
______ around our city, the foreigners were invited to have attend an evening party.
A．Have shown
B．Having been shown
C．Been shown
D．Being showing
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