A group of American soldiers were walking along the road in Irap when a bomb was _____, three of whom were killed.
--- 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.
As is known to all language learners, the newly learnt words will soon be forgotten unless ______ used in everyday communication.