.
With a ______ expression on her face, she is _______ about what to do next.
| A．puzzled; puzzling | B．puzzling; puzzled | C．puzzled; puzzled | D．puzzling; puzzling |
The following ____ some other examples.
| A．are | B．is | C．was | D．were |
My family ____ small.
| A．is | B．were | C．are | D．makes |
Mathematics ____ the language of science.
| A．are | B．are going to be | C．is | D．is to be |
____ either of your parents come to see you recently?
| A．Have | B．Had | C．Has | D．Is |
Half of the fruit ____ bad.
| A．are | B．has | C．is | D．have |