In 89 BC, Pompeii became a rich and busy city and near the city ____ a volcano.
Nowadays, no single country can successfully ____ the global problems alone.
----I thought I asked you to fix the radio.----Oh, I am sorry. I ______ it right away.
Although we hadn’t seen each other for twenty years, Jack and I _________each other at the first sight at yesterday’s party.
---What about going to the beach with us?---_________. That’s a good place for a vacation.
In China, it is believed that spring is a season ______people often feel sleepier.