_______ several times, the young scientist still kept on making his experiments.
举一反三
- _____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
- ______ he failed several times, the young scientist still kept on doing his experiments. A: Although… but B: Although… and C: Though… / D: As… as
- At the international conference, the scientist gave a report (base) ______ on his recent experiments.
- I asked her out several times, but she kept on (refuse)me.
- They are busy doing ______________(scientist) experiments.