I wonder how long it will be before he_________ at the meeting.
| A．turns down | B．turns to |
| C．turns up | D．turns out |
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 |
I have a habit of taking a coffee, which makes me feel _____when I have to stay up late.
| A．adequate | B．pessimistic |
| C．sensitive | D．energetic |