They soon began to investigate the cause of the f

The scientists began to accumulate data.A．collectB．handleC．analyzeD．investigate

The scientists began to accumulate data.A．collectB．handleC．analyzeD．investigate

They all think that the prices of personal computers will soon plungeA.sinkB.dipC.leapD.f

The author began to misbehave______.A．as soon as she saw what she wantedB．while they were

The peoples of the African interior began to______ gold in exchange for the goods they nee

A complete investigation into the causes of the accident should lead to improved st