. In order to learn the of the family business, Bill took a job as messenger boy in one of the offices.
A. ins and outs B. dos and don’ts C. heads and tails D t’s and i’s
Some researchers believe that there is no doubt______a cure for AIDS will be found.
| A．whether | B．that |
| C．what | D．which |
Nowadays more people are advised to arrange for insurance_____they need medical care.
| A．in order | B．in need |
| C．in case | D．in hope |
Last Monday, I was asked to give the new students a test____ their English level.
| A．grading | B．to grade |
| C．to have graded | D．having graded |
- Why do you look so worried?
- My MacBook Pro broke down and my paper______unfinished since.
| A．was left | B．has left |
| C．left | D．has been left |
The athlete's years of hard working________when she finally won the Olympic gold medal.
| A．went on | B．got over |
| C．ended up | D．paid off |