1 . ______ old lady watching flowers in the garden is ________ artist.

A．An; an

B．The; a

C．The; an

D．An; the

2 . It’s cloudy tonight. We can’t see _____moon.

A．the

B．an

C．x

D．a

3 . Since he has no sense of ________ humor, I’m sure he didn’t catch ________ humor in your remarks.

A．a; a

B．the; a

C．/; the

D．a; the

4 . —Tom,I'll invite you to have ________ lunch after playing ________ violin.
—Thank you.

A．a; the

B．the; the

C．a；不填

D．不填；the

5 . Many people gave away much money to ________ poor after the earthquake in Nepal.

A．the

B．a

C．an

D．不填