Always read the _____on the bottle carefully and take the right amount of medicine.

  A. explanations                 B. instructions      C. descriptions                D. introductions

The practice of hanging clothes across the street is a common_____in many parts of the city.

A. look         B. sign          C .sight      D. appearance

I don’t like talking on ______telephone ; I prefer writing ____letter.

A．a,  the  B. the. /  C. the ,the  D. A ,/

一 What in ____ world do you like most in _____ world?

一 I hope  _____  world is _____peaceful and fair world.

A．the；the；the；the    B．／；the；the；／

C．／；the；the；a       D．the；the；the；a

I earn 10 dollars _____ hour as _______ supermarket cashier on Saturdays.

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

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

Now that Tom hates_______ school, the school becomes_______ prison to him

A. a；a    B. /；a     C. a；/     D. /；/

What I need is          book that contains         ABC of oil painting. 

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

   __ unemployment and crime are high, it can be assumed that the latter is due to the former.

A. Before             B. Where           C. Unless            D. Until

The secretary worked late into the night, _____a long speech for the president.

A.     to prepare  B. preparing  C. prepared  D. was prepared