Sorry, Frank. I’m busy today. I can’t goswimming with you. — ______ .

20 _______, English is one of the most important subjects

we are not attacked by nuclear weapons, we promise that uncler no circumstances use the bombfirst but we rescrve the right to use it for counter-attack when necessary[ ]

brother was brave enough to tell the truth in public.—Yes, and he will never regret_________ that. I admire him so much.

_______ is known to the world, the Chinese in many places _______ the old tradition.