The scientist knows nothing about the matter, because he is always ______ himself in scientific study.
| A．burying | B．devoting | C．focusing | D．concentrating |
Medical staff fled as flames and smoke filled an Indian hospital, __________ their patients to a fire, which killed 89 people.
| A．abandoned | B．having abandoned |
| C．to abandon | D．abandoning |
Mrs. White showed her students some old maps __________ from the library.
| A．to borrow | B．to be borrowed |
| C．borrowed | D．borrowing |
The man in black is __________ my lifeguard. He is also my close friend.
| A．other than | B．less than |
| C．more than | D．rather than |
My boss asked me if I __________ well with my new job, but I found it hard to respond.
| A．wiped out | B．cleaned up |
| C．picked out | D．got along |
__________ his father is? I don't know why he always wears the uniform.
| A．What do you think | B．You think what |
| C．What you think | D．What did you think that |