She has worked as a secretary _______ she graduated from college.

A.until
B.while
C.before
D.since

She doesn’t understand _______ I am saying.
A.what
B.that
C.whose
D.where

Trung's sense of humor ..........him from other students. ( distinct)
A.distinguishes
B.distinguish
C.distinction
D.distinguishing

Where is the ............to his shopping centre? (enter)
A.entered
B.entrance
C.entering
D.entrancing

There's no easy .............to this problem (solve)
A.solution
B.solutions
C.solving
D.solved

In ancient Greece, the owl was a symbol of ............ (wise)
A.wised
B.wiser
C.wisest
D.wisdom

A.generally
B.secondary
C.education
D.specialize

No one in the team can play better than John.
A.John plays well but the others play better.
B.John as well as other players of the team plays very well.
C.Everyone in the team, but John, plays very well.
D.John is the best player of the team.

Unless you come on time, we will go without you.
A.Come on time or we will go without you.
B.Come on time, we will go without you.
C.Because of your punctuality, we will go without you.
D.Without jour coming on time, we will go.

He is a _______ boy. He is often kind and helpful to every classmate.

A.frank
B.lovely
C.obedient
D.caring