The captain turns out to have been ( ) for two hours.
A: vague
B: uppermost
C: ashore
D: useless
A: vague
B: uppermost
C: ashore
D: useless
举一反三
- They have been _ outsider for two hours.
- By the time you arrive， I ________ working for two hours． A: will be B: can C: will have been D: have been
- They ______ TV for two hours. A: had watched B: are watching C: watched D: have been watching
- The committee (A. has been arguing B. have been arguing) over the problem among themselves for two hours. A: has been arguing B: have been arguing
- How many hours does his father work on Saturdays A: Five hours. B: Six hours. C: Seven hours. D: Two hours.