6．The shoes are too e     , I can’t buy them．

5．You can ask your g      teacher if you don’t know how far the earth (地球) from the moon．

4．There are lots of a     in the zoo．

3．You can’t play football on the street, it’s too d    ．

2．On Sundays the Greens often go out to have dinner in a r    ．

1．English is his favorite s    at schoo1．