The officer ordered the policeman to __________ that tall man in a black hat. He thought the man might be the murderer wanted.
Several weeks had gone by _______ we realized the painting was missing.
_______ we realized the painting was missing.
Although _______ of danger, tourists can't help taking photos near the cliff.
_______
Many websites have been _______ to help people study foreign languages.
---Can I join the club, Dad?---You can when you ______ a bit old.
The hotel wanted to charge 50$ for the room service, but we couldn’t ______ to live in such an expensive hotel.