Mothers holding jobs outside the home should have ________ schedules to make it easier to care for their children.
| A．frequent | B．fluent | C．flexible | D．smooth |
The whole family _______ TV attentively.
| A．are watching |
| B．is watching |
| C．is seeing |
| D．are seeing |
What the children in the mountain village need ________ good books.
| A．is |
| B．are |
| C．have |
| D．has |
________ either of your parents come to see you recently?
| A．Have |
| B．Had |
| C．Has |
| D．Is |
Both rice and wheat _____ grown in our country.
| A．is |
| B．are |
| C．was |
| D．were |
Mathematics _______ the language of science.
| A．are |
| B．are going to be |
| C．is |
| D．is to be |