It is the only place ______ the earth to have been visited by humans.
A.beneath B.below C.beyond D.behind
John was dismissed last week because of his _______ attitude towards his job.
A.caring B.casual C.capable D.changeable
There ______ no buses, we had to take a taxi.
A.being B.was C.is D.were
Each year, tens of thousands of people die because they are infected with antibiotic-resistant _______.
A.balconies B.bandages C.bacteria D.banquets
His aunt’s letters _______ his beautiful days when they used to live together in his hometown.
A.clear up B.come up C.catch up D.call up
______ regular exercise is very important, it is not a good idea to exercise too close to bedtime.
A.Although B.As C.Considering D.Assuming
