19、—Which of these two ties will you take?

—I will take         to give me a change sometimes.

A．either        B．neither      C．all     D．both

18、John is the only one of the students in the class that never         a mistake even when it is pointed to him.

A．admit making   B．admits making    C．admit to make    D．admits to make

17、The trees         new shoots in spring.

A．send out   B．sent off     C．get out      D．get off

16、He didn’t pass the exam. As a good student, he         .

A．should have failed                              B．shouldn’t have failed

C．must have failed                               D．mustn’t have failed

15、He never doubted         they would succeed.

A．if      B．whether    C．that   D．which

14、The test was easy         the first question.

A．except      B．except for        C．but    D．besides

13、This bike is mine. This is the same bike         I have lost.

A．as     B．that   C．which       D．it

12、Beyond         stars, the astronaut saw nothing but         space.

A．/; the        B．/;/      C．the; /        D．the; the

11、The squirrel was lucky that it missed         .

A．catching   B．to catch    C．being caught    D．to be caught

10、         is a complete mystery.

A．What has happened to him                           B．That has happened to him

C．What happens for him                                 D．That happens for him