He operated this machine______ he were an experienced worker.
A: if
B: as if
C: though
D: even if
A: if
B: as if
C: though
D: even if
举一反三
- Although he is a new worker, he can work as(skill)______as an old worker.
- He is an _____ worker. A: experience B: experiences C: experienced D: experiencing
- All the doctors in the hospital insisted that he badly wounded and that he at once. A: should be; be operated on B: were; must be operated on C: be; was operated on D: was; be operated on
- He ______ you more help, even though he was very busy.
- _____right away，he might have been alive today． A: If he was operated on B: Had he been operated C: Was he operated on D: Should he be operated