根據描述選擇正確的職業單詞。

scientist；teacher；doctor；singer；driver

（1）Alice sings songs very well.I think she is a

singer

singer

.
（2）She is very kind.Her students love her very much.She is a

teacher

teacher

.
（3）His name is Yuan Longping.He helps farmers plant much good rice.He is a great

scientist

scientist

.
（4）When you were ill，You' d better see a

doctor

doctor

.
（5）Tom can drive a car.He is a

driver

driver

.