中国大学MOOC: Something _____________ about the serious traffic problem.
举一反三
- Something _____________ about the serious traffic problem. A: might be done B: should do C: must do D: should be done
- 中国大学MOOC: It’s high time _____ about the traffic problem.
- 智慧职教: It is time that something (do) about the traffic problem downtown.
- 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
- 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