Doing morning exercises _______ our health and we _______ it．
| A．benefits to; benefit | B．benefits; benefit from |
| C．benefits from; benefit | D．benefits; are benefited by |
—Is Bob still performing?
—I am afraid not. He is said ___ the stage already.
| A．to have left | B．to leave | C．to have been left | D．to be left |
—Oh, it’s you! I _____ you.
—I’ve just had my hair cut, and I'm wearing new glasses.
| A．didn’t recognize | B．hadn’t recognized | C．haven’t recognized | D．don’t recognize |
To their great joy, the day they looked forward to _______at last.
| A．coming | B．had come | C．come | D．came |
____ the poem a second time, the meaning will become clearer to you.
| A．Our having read | B．While reading | C．When you read | D．If reading |
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |