0. Where _____ the security guard gone?
A. had
B. have
C. did
Chọn đáp án A
We ________ finished eating dinner.
Had they _____ to her before?
You _____ not left yet.
I had never _____ her before.
Sarah thought she ________ to that zoo before.
He _____ us the item had been shipped.
Dad explained ________ his job due to stress.
We arrived at 8:05, but the train _____ already left.
Nobody explained why the project had ________ on time.
He is jealous .............. his rival's success.
Mary married a wealthy man. She got married .............. him last June.
I can't get this ring .............. my finger.
I shall wait .............. you.
These goods are free .............. duty.
I have taught English .............. 6 years.
Elizabeth is fond .............. going to dances.
I have twenty students .............. my class.
He wasted little time .............. social formalities.
It was .............. my will.
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