Just like fingerprints, each person’s DNA is ______ unless he has a twin.
| A．unusual |
| B．normal |
| C．various |
| D．unique |
Daniel, we ______ you were an adult, ______ who would make good decisions…
| A．think; one | B．thought; one | C．think; that | D．thought; that |
He told us that the best way to ______ respect was to devote ourselves to ______ high grades.
| A．earn; achieve | B．earn; achieving | C．earning; achieve | D．earning; achieve |
We’re trying to ring you back, Bryan, but we think we _____ your number incorrectly.
| A．looked up | B．worked out | C．took down | D．brought about |
— Bob has gone to California.
— Oh, can you tell me when he ______?
| A．has left | B．left | C．is leaving | D．would leaving |
Although all of the apples _____, none of them _____ good.
| A．have tasted; are tasted | B．have been tasted; are tasted |
| C．have tasted; taste | D．have been tasted; taste |