选择题：在同类产品市场上，同一细分市场的顾客需求具有较多的共同性。（ ）选择一项：对错

This computer is very old. It needs 回答

The teacher is very p _ _ _ _ _ _ (耐心) with students.

I need____ a present for my secretary – she is leaving.

If we do not promote renewable energy, the Earth’s natural resources will be use

Please write to me __.选择一项：a.as soon as you canb.as sooner as possiblec.as quick