30. Barack Obama told millions watching him that his grandmother’s influence on _______ he is and the way he views the world was significant.
| A．how | B．who | C．where | D．which |
A car was hit by a log falling off a truck, _____ two passengers in the car.
| A．kill | B．to kill | C．killing | D．killed |
If we ____ now to protect the environment, we will live to regret it.
| A．hadn’t acted | B．haven’t acted |
| C．don’t act | D．won’t act |
You can’t imagine the trouble we had ____ in touch with him.
| A．got | B．to get | C．get | D．getting |
____ this car with that one, he chose the latter.
| A．Comparing | B．Compared |
| C．To compare | D．Compare |
He claims to _____ a round black creature moving quickly through the water.
| A．see | B．have seen |
| C．be seen | D．be seeing |