---You didn’t lock the back door.
---You are wrong. I ______.
| A．have locked it | B．lock it myself |
| C．did lock it | D．do lock it |
––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 |
Mom used only half of the money, the rest of which ______ saved for other purposes.
| A．is | B．are | C．was | D．were |