We students can _______ food and old clothes to the homeless people, and the teachers can __________ learning skills for the poor children.

He is a man with lots of ______. He often tells us many of his exciting ______ in Africa.

It was not until the boat was ________ that they stopped waving their hands.[ ]

With the college entrance examination approaching，students should________to stay energetic.

She is ________ new comer to ________physics but she has made some useful inventions already