—Hi, are you a student of this University?—No, but I ________.
Chatting online can be _____fun, but kids must be sure they stay safe on _____web.
—What’s the matter with Tim?—Oh. His electronic dictionary was left in a taxi accidentally, never ________ again.
____ that caused him to serve dinner an hour later than usual.
China ________ a sharp increase in the number of aged people over the past decade.
Today, we’ve discussed a number of large summer gatherings for feasts and celebrations _____the Inuit usually swap stories.