Sometimes it rains ________in Xi’an in summer.
The doctor _________him taking more exercise and having more green vegetables.
______ of them could solve the problem, so we turned to a third person for help.
-- Cross the road carefully, __________ you’ll keep yourself safe. --Thank you.
I don’t think it is a good way. Can you _____________ another one?
--I saw Ann _______ a green dress at the school meeting. --I think she looks better_______ red.