As far as I am ________, it is of no importance whether he will go or not．
举一反三
- I am not sure ______ he likes the black sweater or not. A: that B: whether C: which D: what
- I ___ five minutes to decide whether I should go or not.
- I am not sure whether the news _____ he failed in the exam depressed him or not. A: that B: which C: what D: whose
- I am in doubt ______ I should buy it or not. A: if B: what C: whether D: which
- Please tell me _________ he will go to Beijing or not. A: weather B: that C: if D: whether