happening or done at the same time
举一反三
- spontaneous means happening or done without being planned.（)
- arriving or happening at a time agreed on
- Homework____________on time will lead to better grades.A. done B. having done C)) be done D. to A: having done B: done C: be done D: to have been done
- It’s high time ______ about the traffic problem． A: something was done B: everything is done C: anything will be done D: nothing to be done
- It’s high time _____ about the traffic problem. A: anything will be done B: something was done C: nothing be done D: something is done