I took the wrong train ______.I didn't even know it until half an hour later.
—Tim and I will visit the exhibition this weekend.Would you like to join us?—__________
The retired couple enjoy__________ photos.They always go out with their cameras.
Even Tony’s granddaughter,a five-year-old girl,asked him__________ smoking.
The official said they__________ a new law to protect the tourists the next year.
The schoolboy _________to the blind man on his Way home yesterday afternoon.