If trees continue _______ at the present rate, it won’t be _______there is no trees for shade.
| A．to cut down; long before | B．being cut down; before long |
| C．to be cut down; long before | D．cutting down; before long |
One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.
| A．betray | B．resist | C．preserve | D．abandon |
The teacher has to ________ the two students as they are always talking in class.
| A．pick up | B．set up | C．split up | D．use up |
He is, how shall I ________， not fat but rather well built.
| A．put it | B．make it | C．mean it | D．get it |
Yesterday, I came across my former classmate, but his name ________ me, which made me embarrassed.
| A．forgot | B．missed | C．escaped | D．reminded |
While working outdoors, Linda was ________ by the heat and fell to the ground, unconscious.
| A．astonished | B．depressed |
| C．overcome | D．hit |