[单选题]It suddenly occurred to him ( ) he had left his keys in the office.

[单选题]( ) Barbara Jones offers to her fans is honesty and happiness.

[单选题]The villagers have already known ( ) we’ll do is to rebuild the bridge.

[单选题]It is still under discussion ( ) the old bus station should be replaced with a modern hotel or not.

[单选题]( ) team wins on Saturday will go through to the national championships.

[单选题]( ) there is life on another planet, most scientists believe, is almost impossible.

[单选题]By reading the article, we know how ( ) in our daily life.

[单选题]They wonder ( ) robots will make humans lose their jobs or not.

[单选题]People in Wuhan are proud of ( ) they have achieved in the past thirty years.

[单选题]( ) made the school proud was ( ) more than 90% of the students had been admitted to key universities.

[单选题]—Can we get everything ready by the weekend? — It all depends on ( ) we can get Mr. Green’s cooperation.

[单选题]He didn’t buy the car though it was cheap. That’s ( ) he had no money at that time.

[单选题]( ) seems reasonable to me thathe doesn’t want to be reminded of his age.

[单选题]( ) she couldn’t understand was ( ) fewer and fewer students showed interest in her lessons.

[单选题]I hear you are saying that doctors should be highly paid, and this is ( ) I disagree.