The little boy isn’t getting on well in math and worse still, he often fights with other students. With her son ________, she feels very ________.

I’ll be away on holiday. Would you mind lookingafter my parrot—- Not at all. _______________.

Usually John would be late for meetings But this time, _____ to my surprise, he arrived on time [ ]

What do we need to buy – _______.

The human mind can many tasks that other animals cannot, like using language and judging what other people are thinking．