When I walked past the park, I saw some old people______chinese Taiji. A.do B.did C.doing
England is famous for__________.
--- What’s your best friend like? --- He _____________.
Millie could look after _______ though she was only five years old.
----The number of the tigers is getting __________. ---- I agree _______ you.
You’d better _____________ short passages every day.