If you want to have a good mastery of knowledge，you must_______ what you are being taught in class and make immediate use of it.
| A．depend on |
| B．decide on |
| C．focus on |
| D．keep on |
____ you have a chance , you might as well make full use of it.
| A．Now that | B．After | C．Although | D．Even if |
From ___ top of the tower, you can get ___better view of the city.
| A．a…the | B．the…a | C．the…the | D．a…不填 |
—According to my grandma, it is a good idea to eat chicken soup when you have a cold.
—, scientists agree with her.
| A．Sooner or later | B．Once in a while |
| C．To be exact | D．Believe it or not. |
The doctor thoughtwould be good for the patient to drink more water.
| A．this | B．that | C．one | D．it |
--- Why don’t you ride your bicycle today?
--- Oh, it broke down. It ________ now.
| A．is repairing | B．is being repaired |
| C．is repaired | D．will repair |