—Why do you call him Mr. Knowledgeable?—Because he knows almost everything we want to know.
To keep __________, we need ____________ regularly.
To me, English is easier than _________ subject to learn.
Teenagers should learn to protect _________ from all kinds of danger.
---- What is the woman with a ponytail like? ---- She doesn’t talk much. _______________________.
The TV programme on this channel was so that everyone there felt____. A boring, boringB. bored, boring C. boring, bored D. bored, bored