Gina loves singers _______ write their own music. A. which B. who C. has worked
Susan and Lily ________ tomatoes and other vegetables on the farm this time yesterday.
The people in Ya'an have met lots of difficulties, but they haven't ________ hope.
It is ________ for me to follow the Australian guests because I am good at English.
––Now the air in our hometown is even_______ than it was before.––So we must do something to stop it.
--Would you like some coffee?--Yes, please. By the way, do you have any milk? I prefer coffee _______ milk.