单项选择题The weight of something is another way of describing the amount of force exerted on () by gravity.
单项选择题Prior () his departure, he wrote a letter to his mother.
单项选择题The owner of the store promised to give the money back to the traveller()his return.
A.atB.fromC.byD.on
单项选择题Only after I left the place that how ugly and dishonest the people there had been.
单项选择题When the clouds moved in, the moon was no longer () sight.
单项选择题Going () sleep for a long time makes me feel very tired.
单项选择题If I had () in business, I might be a very wealthy man today.
单项选择题As a party member, one should try to his duty.
单项选择题W expects to register its biggest Cyber Monday yet, coming off a record Black Friday weekend online.()
单项选择题The only games()I play are football and tennis.
A.whoB.whichC.whatD.when
单项选择题They ( )the fire and crept into their tent.
单项选择题Last night, I had to walk home.No one would give me ( ).
单项选择题I was reading( )my friend called.
单项选择题The construction of the bridge () due to the snowstorm.
单项选择题Which one in the following expressions in Not True?