. The photo brought me back to the memory of the time in Qingdao, _______ I spent my summer holiday by the seaside with my friends.
He made up his mind to devote his life _______ pollution _______ happily.
After five hours’ drive, they reached _______ they thought was the place they had been dreaming of.
The news that he failed in the exam _______ his unhappiness this morning.
The great _______ of my plan is that it’s so cheap compared to the others.
The rescuers _______ to work as soon as they arrived at the spot of the accident.