问题补充:
---Monitor?--- I’m not monitor of our class. I with the teacher until the monitor is elected.
A. will just help
B. am just to help
C. am just helping
D. have just helped
答案:
A. will just help
B. am just to help
(答案→)C. am just helping
D. have just helped
解析:句意:---班长吗?---我不是我们班的班长。我只是帮助老师直到选出班长来。表示近期一直在做的事用现在进行时。A.一般将来时;B.表示注定要发生的事;D.现在完成时。故选C。
考点: 考查动词时态的用法。