Nowadays, an increasing number of museums are open to visitors free. However, free ______ might lead to some social problems as well.
A. accommodation B. attraction
C. admission D. adjustment
The famous piano teacher ______ Robby as a student only because he said it had always been his mother’s dream to hear him play the piano.
A. took on B. took up C. took in D. took over
Don’t waste words on him. He is so ______ that you can’t expect him to change his mind.
A. stubborn B. merciful C. modest D. sincere
Take action today ______ you won’t miss your windows of opportunity.
A. as if B. now that C. so that D. even if
Minister Bill De Blasio ______ in office fewer than 48 hours when he came face to face with his biggest challenge in his life.
A. has been B. had been C. would be D. is
Private taxi booking apps have ______ like mushrooms in the past few months because of their convenience and high efficiency.
A. broken up； B. lined up；C. come up；D. sprung up
