His brother aims to be __________ of his parents by the time he is twenty.
| A．innocent | B．beneficial | C．invisible | D．independent |
I believe the teacher's explanation will ________this puzzling problem.
| A．throw light on |
| B．come to light |
| C．see the light |
| D．make light of |
The famous artist said that his success was ________his hard work and perseverance.
| A．due to |
| B．next to |
| C．close to |
| D．lead to |
________the latest estimates，insects account for probably 4 to 6 million of the species of creatures living on the planet.
| A．Owing to |
| B．According to |
| C．In spite of |
| D．In case of |
The cakes are delicious. He'd like to have _______third one because ________second one is rather too small.
| A．a；a |
| B．the；the |
| C．a；the |
| D．the；a |
This kind of tiger has nearly died________，so we must take some measures to save them.
| A．of |
| B．away |
| C．down |
| D．out |