we can do many kinds of ( a ) on weekends.

题目

we can do many kinds of ( a ) on weekends.
is a penguin a kind of ( b sorry,i dont know
my grandparents are living in a big (a )in new york now.
look!the man is(l )under the tree enjoying the cool

答案

1 activities 活动
2 bird 鸟
3 apartment 公寓
4 lying 躺