While _________the topic of music in class, all the students show great interest in it.
| A．discussed | B．discuss |
| C．discussing | D．are discussing |
Parents now believe that there are obvious differences in their approach to educating children compared with _____ of their parents.
| A．those | B．that | C．one | D．ones |
Some young people in America are expected to leave ______ could be life’s most important decision---marriage--- entirely up to luck.
| A．which | B．that | C．what | D．as |
He said he didn’t regret telling the truth but felt that he ______ it differently.
| A．could have expressed | B．could express | C．must have expressed | D．would express |
Medicine should be placed where it is not ______ to children.
| A．accessible | B．available | C．acceptable | D．noticeable |
--How much is the pet
rol per liter today?
---Oh, 6.00 yuan. It ______ sharply since last month.
| A．is raised | B．has arisen | C．has risen | D．is aroused |