Ladies and gentlemen, please remain __________ until the plane has come to a complete stop.
I’m sorry I didn’t hear what you said. I ________ the picture.
- What about having a cup of tea some day?- __________.
I had ________ supper at my friend’s last Sunday and ________ food was so delicious.A. a ; the B.不填;不填 C不填.; the D. the; 不填
With time changing so fast, to keep _____ with time, anyone should be a lifelong learner, or he will fall behind within years.
So heavy is his _______ that he is as busy as a bee, unable to spare(抽出) even a day for his family in a month.