PSAs are often run _____ free, and are ______ to educate people about health, safety, or any other problem that affects public welfare.
| A．for, mean | B．for, meant | C．of, to mean | D．in, meaning |
Not until he called the secretary three times ______ that the manager went to an important meeting．
| A．did he tell | B．he told | C．was he told | D．he was told |
—Are you still very busy？
—Yes，I ______ the report for the manager and it won’t take long．
| A．have just finished | B．am just finishing |
| C．had just finished | D．arlrl just going to finish |
—Can I pay the bill by check?
—Sorry，sir．But it is the management rule of our hotel that payment_______be paid in cash．
| A．will | B．can | C．should | D．shall |
—How much sugar did you put in my coffee?It tastes so bitter．
—I’m sorry to say that there’s________left．I’ve forgotten to buy______on my way
home．
| A．nothing；it | B．something；anything |
| C．none；some | D．no one；some |
—Would you mind giving your advice on how to improve our business management?
—If you make_____most of the equipment，there will be_________rise in production．
| A．不填；不填 | B．the；a | C．不填；a | D．the；不填 |