—Someone is knocking at the door. Is it Ann?—It _____ be her. She is giving a performance at the theatre now.
I really enjoy the noodles and vegetables. They____delicious.
In America, people start celebrating the New Year____3lst December.
Although Lucy is only three years old, she is able to____herself.
To keep healthy,many people _____every day.
-Dad,which do you prefer, tea or coffee?-____is OK. I don'tmind.