. Neither Tom nor his parents ______ at home.

A. is     B. are    C. has    D. Was

.When she came out, Mary looked a bit tired because she _____the house.

A. cleaned          B. was           C. had cleaned        D.had been cleaning

.If the car won’t start, _____ it.

A. try push     B. try pushing     C. to try pushing     D. to try to push

. The boy wanted to ride his bicycle in the street, but his mother told him _______.

A. not to     B. not to do   C. not do it       D. do not do

. The murderer was brought in, with his hands ______ behind his back.

A. to be tied      B. being tied       C. tied       D. having tied

   . To our surprise the stranger _____ to be an old friend of my mother’s.

    A. turned out        B. turned up       C. set out                        D. set up

. In the west, people make _______ a rule to send Christmas present to their relatives and friends.

A. this              B. that             C. it                 D. the following

四、it類(lèi)

. Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.

A. it, it            B. what, what         C. it, what                D. what, it

.“It‘s $, but that is my last offer.” “OK, it is a ________.”

    A. cost                           B. price          C. reward                         D. deal

.A woman tearfully explained _____she had recently lost her husband in a car accident.

A.when            B. how                 C. why              D. where