Have you finished reading the book I lent to you last week?—Not yet. Can I keep it for another 2 days?

Sports are good______ our health. [ ]

Linda’s father isn’t an engineer. Her mother isn’t an engineer, ______ .

Look! There is beautiful rainbow in the sky． —Wow, it’s so beautiful. I’d like to take a photo ofrainbow before it disappears．

No matter _____ the weather is like, you can always find surfers out riding the waves.[ ]