We__him our monitor.(elect)

We__him our monitor.(elect) we won't elect him our monitor because he doesn't always obs Jack is our monitor elect sb to be the monitor.这里用to be应该怎么解释? ______ of our class.填a monitor 还是 monitor We made Li Ping ____.A、a monitor B、our monitor C、monitor D、o 1.our monitor ask us ________ Mary became ____ monitor of our class. We chose him as our new monitor Our monitor is very _(activity). .Every morning ,our monitor gets to school many students attended the lecture,() our monitor