— John, there is ______ Mr Wilson on the phone for you.

— I’m in ______ bath.

A. a; the B. the; a　　C. a; 不填 D. the; 不填

For a long time they walked without saying ______ word. Jim was the first to break ______ silence.

A. the; a     B. a; the　　C. a; 不填     D. the; 不填

In the 1930s, the two countries were at ______ war, and his father was fighting at _____ front.

17. I am in ______charge of the class which was in    

  charge of my wife.

  A. 不填；the　　　　　　B. 不填；不填

　C. the; 不填　　　　　　 D. the; the

I got ______ bad toothache yesterday, which kept me awake ______ whole night.

  　A. a; the　       B. 不填; a　　    C. the; a　　      　D. a; 不填