I don’t remember ________ he worked in that city when he was young.
举一反三
- I don’t remember ________ he worked in that city when he was young. A: what B: which C: if D: Who
- I don’t know when he ________. When he _______ here, I’ll call you in a minute.
- —I don't know when he _________ tomorrow.—I will call you as soon as he _________.
- ________ he works hard， I don‘t mind when he finishes the experiment.
- I don't know when he'll come; but when he comes I shall have a talk with him.