He has already worked for ( ) hours.
A: an
B: a
C: the
D: three
A: an
B: a
C: the
D: three
举一反三
- What has Tom already done A: He arrived here three hours ago. B: He’s been here for half an hour. C: He came here half an hour ago.
- 3. How many hours of exercise in a week is advised by the speake A: At least two hours. B: At least two and a half hours. C: At least three hours. D: At least three and a half hours.
- He has already been to Shanghai , has he A: already B: neve C: eve D: still
- We have worked for three hours. Now let’s stop ______ a rest.
- He ( ) at the factory since he came here. A: worked B: has worked