There are some health problems that, when ____in time, can become bigger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not having been treated |
Listen! Do you hear someone __________for help?
| A．calling | B．having called | C．to call | D．called |
Eating too much fat can ________ heart disease and cause high
blood pressure.
| A．contribute to | B．come across |
| C．depend on | D．leave out |
Mr. Lee, may I ask you a question?
—______.
| A．It’s a pleasure | B．Go ahead |
| C．With pleasure | D．So do you. |
—Excuse me! Sir, is the swimming pool open all day?
—.Only from 6:00 p.m. to 10:00 p.m.
| A．That’s right | B．Yes, of course | C．Sorry, I’m not sure | D．Sorry, I’m afraid not. |
We’d better discuss everything _______ before we work out the plan.
| A．in detail | B．in general | C．on purpose | D．on time |