If all business goes paperless，at least one million tons of paper a year．（ ）
A．are savingB．will be saved
C．were saved
﹣﹣﹣According to the school rules，the students _________ get their ears pierced.
﹣﹣﹣I think that's right.Students should pay more attention to their study.（ ）
| A． |
mustn't |
B． |
can |
C． |
needn't |
D． |
should |
﹣﹣﹣What club would you like to join，the chess club or the music club？
﹣﹣﹣_________.I've already joined the paper cutting club.（ ）
| A． |
Either |
B． |
Neither |
C． |
Both |
D． |
None |
﹣﹣﹣We should try to devote（献身于）ourselves to our country like Yuan Longping.
﹣﹣﹣I think so.He still worked on the research into agriculture（农业）at the age of _________.（ ）
| A． |
eighties |
B． |
eightieth |
| C． |
eighty |
D． |
eighty﹣year﹣old |
﹣﹣﹣Hello，Eric.You look tired.
﹣﹣﹣Yes.I've decided to have a good _________ by taking a walk or seeing a movie.I really need to relax.（ ）
| A． |
meal |
B． |
sleep |
C． |
luck |
D． |
rest |
The man did a great job in fighting COVID﹣19.He on TV and became very known.（ ）
| A． |
interviewed |
B． |
has interviewed |
| C． |
was interviewed |
D． |
will be interviewed |