26．I saw a stranger______ a distance of ten yards.

　　 A.at　　　　　 B.in　　　　　 C.by　　　　 D.to

25．_____the teacher found goodness, he praised it.

　　 A.Wherever　　 B.However　　　 C.As　　　　 D.Because

24．Take an umbrella______ it rains.

　　 A.in case　　 B.in any case　 C.because　　 D.for

23．Don¢t stop_____you meet with a word you don¢t understand.

　　 A.at that time　　　 B.each time　　　 C.sometimes　　　 D.before

22．Never believe anything____ any other person has believed it.Use your own mind.

　　 A.that　　　　 B.when　　　　 C.because　 D.nor

21．I don¢t doubt_____ he can pass the entrance examination.

　　 A.whether　　 B.when　　　　 C.that　　　 D.how

20．It worried her a bit_____ her hair was turning gray. (NMET)

　　 A.while　　　 B.that　　　　 C.if　　　　 D.for

19．_____,Mother will wait for him to have dinner together. (NMET)

　　 A.However late is he　 　　　B.However he is late

　　 C.However　　　　　　　　　 D.However late he is

18．I had no idea where he had been_____ he told me.

　　 A.when　　　　 B.until　　　　　 C.except　　　　　 D.because

17．When you read the book, you¢d better make a mark____ you have questions.

　　 A.where　　　　 B.at which　　　　 C.at where　　　　 D.the place where