An experienced doctor usually judges a patient’s illness according to the various________.
| A．signs |
| B．symptoms |
| C．signals |
| D．marks |
If you _____ smoke, please go outside because this is a non-smoking office.
| A．must | B．should | C．can | D．may |
––Who would you rather _____ your graduation ceremony tomorrow, your parents or friends?
––All of them.
| A．will have attended | B．have attended | C．attended | D．to attend |
In that school, English is compulsory for all students, but French and Russia are ____ .
| A．special | B．optional | C．regional | D．original |
––Why didn’t you come to the party?
––I had meant _____, but something unexpected happened.
| A．so | B．that | C．not | D．to |
We should discuss the plan _____ before we work it out.
| A．in general | B．in detail | C．on time | D．on purpose |