If you ________ your attention on the job in hand, you’ll soon finish it.
| A．adapt | B．concentrate | C．apply | D．request |
The Anti- Japanese War ________ in 1937 and it ________ eight years.
| A．broke out; lasted | B．broke out; was lasted |
| C．was broken out; lasted | D．was broken out; was lasted |
We should ________ ourselves assiduously and faithfully to the duties of our profession.
| A．devote | B．spend | C．offer | D．provide |
She returned home from the office, only ________ the door open and something missing.
| A．finding | B．to be found | C．to find | D．found |
________ her work has been good, but this essay is dreadful
| A．In a word | B．In general | C．In particular | D．In total |
They made no effort to hide their amusement ________ I produced a packet of sweets from my pocket.
| A．however | B．whatever | C．whichever | D．whenever |