Listen! I can hear Simon _____ in the next room. And we often hear him ______.
| A．sing; singing | B．singing; sing |
| C．to sing; to sing | D．singing; to sing |
My younger brother failed________the exam even though he studied so hard．
| A．passed |
| B．pass |
| C．to pass |
| D．passing |
The man is thirsty________money and power．His wife wants him to pay attention to health and family．
| A．with |
| B．at |
| C．of |
| D．for |
My dog is very________．It is safe to touch him if you want to．
| A．smart |
| B．brave |
| C．happy |
| D．friendly |
The baby elephant is from Africa．She________．
| A．eat grass |
| B．eats grass |
| C．eat grasses |
| D．eats grasses |
—Can’t you see a lion in the cage？
—________．
| A．Yes，I can’t |
| B．No，I can’t |
| C．No，I can |
| D．Yes，you can’t see it |