__________ she couldn't understand was__________ fewer and fewer students showed interestin her lessons.A. What; why B. That ; what C. What ; because D.
40.It is important that she___________with Mr Williams immediately. 41.
42.______that there′s another good harvest this year. 43.
44.It'll be the first time____________the play. 45.
46.It's no use___________over spilt milk. 47.
48.It was great joy_________he received the news that his long lost son would return home 49.