A． startedB． continuedC． occurredD． changed

The board meetings usually ______ on time.A．have startedB．startC．are startingD．have been s

A．startedB．conductedC．replacedD．proposed

If we ______ sooner, we might have got there.A．startedB．had startedC．would have startedD．s

The proposed restrictions have______a storm of protest.A．startedB．ignitedC．resultedD．risen

【C5】A．was occurredB．was occuredC．occurredD．occured

Hardly _____ when there was a power cut .A.has the film startedB.had the film started