看图回答问题。 1. -What can we do to keep our city clean? - We can take the___________ to school. 2. -What can we do to keep the air clean? - We can ___________. 3. -What can we do to keep our city clean? - We can move some ___________ away from our city. 4. -What makes our city dirty? - ___________ from cars makes the air dirty. 5. -What can we do to keep the river clean? - We can put the rubbish in the ___________.
用所给词的适当形式填空。 1.That is not ________________ kite. It is very small. _______________ is very big.(I) 2.My holiday is very _________________(interest). 3.The traffic _______________(be)very heavy and the streets are _____________(crowed). 4.______________(we)dresses are red. What colour are ______________(you)? 5.I can’t wait ________________(are)back home and see all my __________(friend).