Fill in the gaps with "it is" or "there is/are" in the appropriate form.a._______ a rather hard question  to answer.b.______many things to do before the trip.c._______no use to tell him the truth now. d._______Robert who congra...

Fill in the gaps with "it is" or "there is/are" in the appropriate form. a._______ a rather hard question  to answer. b.______many things to do before the trip. c._______no use to tell him the truth now. d._______Robert who congratulated me first. e._____impossible to work with him,he always finds faults with everyone. f.______a person waiting for you in the hall. h._____a pity you cant come to me now. i_______too little time left to change the situation . j.______not any schoolboys in the yard.