Nowadays, either 21st Century or other English newspapers _____ increasingly popular among us students.
| A．are | B．is | C．were | D．was |
As a famous public figure, you have a duty to _______ yourself, especially in public places.
| A．focus | B．behave | C．guide | D．operate |
It worried her a bit _________ her hair was turning grey.
| A．while | B．that | C．if | D．for |
Nuclear ______ be really dangerous at times even though it’s a nice energy in general.
| A．shall | B．should | C．can | D．must |
Students who graduate with experience will be given ________ over those who never work in any company.
| A．prediction | B．preference |
| C．presence | D．preparation |
As a student of Senior Three, he has very little free time _________ he can spend developing his own interest.
| A．when | B．in which | C．at which | D．that |