Jim, it’s so late . are you busy with— My homework.. If I don’t finish it, my teacher will be angry with me.

No one but the experts in this field can _____ the difference between them. [ ]

The husband has ____getting up earlybecause he has to drive his wife and daughter to school in the morning

I like math, ________ it is not easy for me.

When we visited our headteacher again ten years later, he had changed so much that we could hardly ________ him.