We shouldn’t use plastic bags. We should take our own bags ___.And we also should walk ___driving to the supermarket.

e made full preparations, but it remains______whether they will be able to do a good job in the experiment.

I spent all my pocket money _______ this pencil case.—Really The price is too _______.

I guess our teachers should change their teaching methods. I just can’t get used to them.—- I agree. ____teaching methods sometimes only succeeded in putting students off learning.

Today’s expression, “Knowledgeis_____,” is widely misunderstood. The more you know, the more ____ you will be.