1 . If you have _______ chance of studying abroad to research about the local customs and culture, I think living with a host family will be _______ smart choice.

A．a; a

B．the; the

C．the; a

D．a; the

2 . —America had another 160,000 new COVID-19 cases yesterday.
—But ________ news is not ________shock to many Americans, they’re used to it.

A．the; a

B．the; the

C．a; a

D．a; the