英语12.As the applause ______ ,the curtain on the stage dropped slowly.

英语12.As the applause ______ ,the curtain on the stage dropped slowly.
12.As the applause ______ ,the curtain on the stage dropped slowly.
a.took off b.died down c.passed out d.stayed up
13.The scientist’s project to build a modern laboratory was ______ on account of its huge budget.
a.taken for granted b.started out c.got into difficulty d.called into question
14.The two security guards will be _____ from all their duties until further investigation is completed.
a.collapsed b.measured c.declared d.suspended
15.He made his instruction ______ and direct so that everyone could follow easily.
a.tentative b.explicit c.plausible d.informal
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