题目内容
选择并抄写单词
When ants find food, they can communicate with one ________(another, the other)．
When we have a barbecue, we always cook food with ________(charcoal, electricity)．
When you're 25, you will be five kilogrammes ________．(heavy, heavier)
When you're 25, you will be five kilogrammes ________(heavy; heavier)．
When the guests arrive at the hotel, the waiters often ________(lead, leader)them to their rooms．
