Action must be taken to prevent that factory from ______ heavy smoke into the air.
“You say you won’t do it, but I say you _______”, said the boss.
--- Can you read the sign, sir ? No smoking allowed in the lift !--- _________________.
— We ______ that you would fix the TV set this week. — I’m sorry. I ______, but I’ve been too busy.
It is the discovery of Cao Cao’s tomb, ______ was made in Anyang, Henan province, ______ hasreceived widespread attention.
______, I have to put it away and focus my attention on study this week.