How long have you____?-For three days.A.got a headache B.fallen ill C.caught a cold D.hand a cough

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How long have you____?-For three days.A.got a headache B.fallen ill C.caught a cold D.hand a cough
How long have you____?
-For three days.
A.got a headache B.fallen ill C.caught a cold D.hand a cough

How long have you____?-For three days.A.got a headache B.fallen ill C.caught a cold D.hand a cough
B
fall在这里是系词,可以表示连续的状态,适用于现在完成时.

D.had a cough

D

D had a cough
其余三个是终止性动词,它们的现在完成时的肯定式不能与HOW LONG 连用

had o cough