Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
I earn 10 dollars ________hour as ________supermarket cashier on Saturday.
| A．an；the | B．the；a | C．an；a | D．a；an |
At the end of each month when he comes back from school he will be asked by his strict father to ___________ where every cent goes.
| A．watch over | B．put forward | C．account for | D．set off |
By the time I pay off all the money that I borrowed from the bank when I bought my house, I will have been ________.
| A．in debt | B．into debt | C．off debt | D．out of debt. |
______ the money, I won’t lend it to you unless you promise to pay back before next Sunday.
| A．Such as | B．As long as | C．As well as | D．As for |
Since you are in a public place, the noise of your radio must be ______ to a level that we all feel comfortable with.
| A．supposed | B．allowed | C．attached | D．limited |