_____several times the young scientist still kept on making his experiments．
A: Having been failed
B: Having failed
C: Though failed
D: Because of failure
A: Having been failed
B: Having failed
C: Though failed
D: Because of failure
举一反三
- ______ he failed several times, the young scientist still kept on doing his experiments. A: Although… but B: Although… and C: Though… / D: As… as
- _______ several times, the young scientist still kept on making his experiments.
- ______, the man would not give in. A: Though had been failed B: Though having been failed C: Though failed D: Though being failed
- The young man failed to see that the _______ cause of his failure was his laziness and inaction. A: solo B: barely C: occasional D: apparent
- Many a student ____ in the exam. A: have failed B: had been failed C: has failed D: will be failed