---How was their last weekend? ---Great. They had a picnic in the park and enjoyed _______.

---Is this your key, Jenny ? ---No, ______ is in my handbag.

I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.

Giant pandas will have          to live if farmers keep ________ their living areas.

Wearing red makes _________ easier for you to take action．