It may not rain; but you’d better take an umbrella ______.
What the doctors really doubt is ______ my mother will recover from the serious disease soon.A.when B how C whether D why
He hasn’t slept at all for three days._______ he is tired out .
______ the window, my finger was cut unexpectedly.
-I don’t approve _____ wasting time . -You are right . But sometimes your actions don’t correspond ____ your words .
He wrote five novels, two of_____ were translated into English.