—Did you return Fred’s call?
—I didn’t need to ____ I’ll see him tomorrow.
| A．though | B．unless |
| C．when | D．because |
---I wonder what makes you a good salesperson
---I _______ as a waiter for three years , which contributes a lot to my today’s work.
A. serve B. have served
C had served D. served
A lot of the waste thrown away in the U.S. __________ being shipped overseas to China, India, and other developing countries.
| A．breaks up | B．clears up |
| C．sums up | D．ends up |
“American will fulfill the commitments that we have made: cutting our emission in the _________ of 17 percent by 2020”, said Obama.
| A．form | B．range | C．state | D．need |
Next door to ours _______, who seem to have settled in this community for quite a long time.
| A．are living a black couple | B．are a black couple living |
| C．live a black couple | D．do a black couple live |
---Why was the movie a turn-off? I thought you liked thrillers.
--- Well, I do enjoy it. However, I dislike______ when the actors’ expressions are so fake and unnatural.
| A．that | B．those | C．them | D．it |