Some people ________cruel experiments on animals________science.

I saw some boys football when I walked past the hall.

ysics teacher and English teacher always givetheir lessons in a lively and clear way,____ greatly benefits us students

, I’m anxious about the coming exam–Come on, boy You’ve got to have confidence inyourself _____ you will make it

I had a hard time with maths and I wasn’t to get the bad report from my maths teacher.