Please keep the windows closed _____________ it rains.
From his ________ voice on the phone I know everything is going under way.
—Does Bill do his new job well?— ________ his old job. I'm afraid there's no hope for him.
—I'm sorry, I shouldn't have been so rude to you.—You ________ your temper but that's OK.
—Is the experiment easy?— ________ . I'll just do my bit.
Although he knew little about the large amount of work done in the field, he succeeded ________ other more well - informed experimenters failed.