Be quiet! Mr Smith is coming. — Don’t worry. It__________be him. Mr Smith is much taller.
How long has your brother _________ in the army ?—About five years.
This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
Tom and Mike enjoy __________ TV.
Do you have a partner to speak English _____? [ ]