用所给词的适当形式填空。
What an________(embarrass)moment it is！I want to leave the room at once．
—Linda, I called you this morning, but nobody answered the phone.
—I'm sorry. I a picnic with my family then.
| A．have | B．had | C．am having | D．was having |
—Would you like some juice or coffee?
— is OK. I really don't care.
| A．Both | B．Either | C．All | D．Neither |
— What do you think of physics?
— I think it’s ______ of all subjects.
| A．difficult | B．more difficult | C．most difficult | D．the most difficult |
— How do you usually go to school every day?
—foot. It’s not far from my home.
| A．On | B．In | C．By | D．With |
—Excuse me, is thisyouriPad ?
—No, it isn't.is at home.
| A．Yours | B．Mine | C．His | D．Hers |