---- Isn’t it hard to drive downtown to work? ---- Yes, that’s why I ____ to work by train.
John seems puzzled about ________ the question meant.
The cake is delicious. May I have ________ one?
My father told me that he ________ me some gifts when he returned from America the next week.
He ________ his aunt the day he arrives in Beijing.
He is a difficult person, for he ___________________ about everything.