He was so concentrated in his work that he ________ stayed up until the small hours.
A: A) fast
B: B) frequently
C: C) formally
D: D) locally
A: A) fast
B: B) frequently
C: C) formally
D: D) locally
举一反三
- It would have taken hours to work the sum out, so he（）his pocket calculator. A: turned out B: turned to C: turned up D: turned off
- He can choose from different jobs and probably changes his work more frequently as he is not ______ to a choice within a small radius. A: restrained B: hampered C: refrained D: restricted
- 中国大学MOOC: Tom ________ get up early in the morning, so he stayed in bed until 9 am.
- When he was a small kid, he ________ from his peers because he could read fast and remember whatever he read. A: showed off B: worked out C: stood out D: straightened up
- He ______(work) in his garden for six hours.