Help yourself ____ some more fruit.
29.-----I _____to go for a walk. -----But I_____ going shopping.
28.—Thank you very much. —Not at all , I was____________ glad to help.
27.I would have come to see you earlier, but I __________ too busy.
26.With summer coming on, the weather gets hot _________.
25.In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.