Tests have been performed to determine whether studying TOEFL questions will

A                                            B           C                                 

help students rise their test score.

                       D

For photosynthesis to occur, a leaf requires carbon dioxide, water, and lightness.

           A                              B                     C                                                   D

When a human being walks, he or she exerts a certain number of force on the

    A                                         B                                    C                 D       ground.

Please call the doctor if the victim is _____ hurt.

1. bad                       B. serious             C. badly               D. accidentally

He gave me his personal _____ that his draft would be ready by Friday.

1. endurance             B. insurance                   C. assurance                  D. ensurance

The shop opposite my house sells a variety of _____.

1. objects                  B. purchases                  C. goods               D. productions

In Vietnam, children start _____ school at the age of six.

1. kindergarten                   B. secondary        C. nursery            D. primary

He felt _____ when he failed the exams the second time.

1. discouraged          B. annoyed           C. undecided        D. determined

He’s a very _____ person because he can make other workers follow his advice.

1. influential             B. creative            C. deciding           D. effective

Through an _____, your letter was left unanswered.

1. overstone             B. overcharge       C. overtime          D. oversight