We’ll leave for senior high schools soon. It’s really difficult _______ goodbye to our teachers and friends.
| A．to say | B．to speak |
| C．saying | D．speaking |
Everyone m our class ________ here．
| A．am |
| B．is |
| C．are |
| D．be |
—There is too much rain in many parts of the world now．
—That sounds ________．
| A．terrible |
| B．happily |
| C．carefully |
| D．boring |
The food safety is a serious ________ in our country．We should try to solve it．
| A．subject |
| B．program |
| C．problem |
| D．opinion |
—How’s it ________？
—Pretty good．
| A．doing |
| B．coming |
| C．going |
| D．leaving |
Be quiet！The other students ________．
A．sleep
B．slept
C．are sleeping