There are five pairs, but I'm at a loss which _____ to buy.
in the fields on a March afternoon, he could feel the warmth of spring.
---Zhangjiajie is worth visiting. I there with my parents during the holidays.---I agree. I have been there twice.
If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door.
Would you please tell me _____ you know is good at typing?
--- Sorry, I’m late.--- That’s OK. I ___________ long.