It was yesterday _______I saw her and it was almost 10 o’clock ____she arrived.
| A．when, when | B．that, that | C．when, that | D．that, when |
Over the years, people have learned from ants that teamwork and perseverance are indeed two key ______ to success.
| A．certificates | B．ingredients |
| C．approaches | D．instructions |
If a friend snaps at you or is unfriendly， step back， and with a sense of compassion， try to experience life from his____．
| A．perspective | B．priority |
| C．privilege | D．policy |
It may be necessary to stop _____ in the learning process and go back to the difficult points in the lessons．
| A．at intervals | B．at random |
| C．at ease | D．at length |
—Where would you like to sit? In the corner or near the platform?
—______．I would like to sit by the piano so that I can watch the musician play．
| A．Either | B．Neither |
| C．None | D．Both |
Life is like __________ ocean; only __________ strong-willed can reach the other shore.
| A．an; the | B．the; a | C．the; / | D．/; a |