—The plane is due to take off at 7:50 from the airport. ______ we fail to arrive there in time?
—Try to take another flight then.
| A．As if | B．Even if | C．Only if | D．What if |
Due to the widespread ____ of advanced technology, the price of computers has come down greatly.
| A．presentation | B．application | C．qualification | D．appreciation |
The reason ____ the people in the mainland go to Hong Kong to buy formula is that people are not convinced ____the safety of formula produced in the mainland.
| A．that; at | B．why; at | C．why; of | D．what; of |
In order to keep fit, he chooses vegetables and fruit in ____to any kind of meat.
| A．comparison | B．preference | C．control | D．advantage |
If you want to study in foreign countries, ____ good knowledge of the culture is regarded as ____ must for you to live happily.
| A．/; / | B．a; a | C．the; the | D．the; a |
－How would you like your coffee?
－____.
| A．It’s very good | B．Tasty |
| C．Just black, please | D．There is too much milk |