He must have attended the meeting yesterday,___________ he?
—So you gave her your phone?—_______. She said she’d return it to me when she could afford her own.
—Do you know who knocked at our door last night, the postman? —It _______ him. It was only 5 o’clock.
It is said the Great Wall_______ the Warring States, is _______worth visiting.
I have _______ my father again and again not to smoke, but I can’t ______ him.
To make his fortune abroad, he ________ making the necessary preparations.