Many rules in English are ______, and large numbers of students feel ______ them.
| A．confused; puzzled with | B．confusing; puzzled about |
| C．confused; puzzling with | D．confusing; puzzling about |
—What do you think________ an important part in their lives?
—Pop music.
| A．plays | B．takes | C．makes | D．acts |
As is known to all language learners, the newly learnt words will soon be forgotten unless______ used in everyday communication.
| A．gradually | B．sincerely | C．hopefully | D．frequently |
The money collected should be made good use __________ the people who suffered a lot in this terrible earthquake．
| A．of helping | B．of to help | C．to help | D．to helping |
Between the two generations, it is often their different views of life and value _______ cause family conflicts．
| A．which | B．what | C．that | D．who |
_________ a certain doubt among the people as to the practical value of the project．
| A．It has | B．It remains | C．They have | D．There remains |