46.It won’t do us any good， but it won’t do us any harm().

48.It wasn’t until nearly a month later ()I received the manager’s reply.

47.Scarcely ()when the murderer shot him down.

46.He is the only one of the students who ()a winner of scholarship for three
years.

45.()cleans the blackboard should be praised.

44.He reads newspapers every day to keep himself ()about what’s going on in the world.

43.I fell down and broke three of my teeth.I wonder how many times I have to come
here and get my false teeth ().

42.The food ()at the moment is for the dinner party.

41.()who she was， she said she was Mr.Johnson’s friend.

40.()Sunday， the students are at home.

39.I apologize for ()my promise.