Mary wrote books to earn money while John gained his wealth ________ selling Mary’s works.
A. with B. by 
on D. through
If you suffer an injury during ______ exercise, or if _______ pain or discomfort makes you think an injury is developing, stop right away and call me.
| A．the; a | B．不填; the | C．an; the | D．不填; 不填 |
______ is the kindness of the nurse that the patient can never be ______ to her.
| A．So; too thankful | B．Such; so thankful |
| C．So; that thankful | D．Such; thankful such |
________, I believe, and you will find Tom is very outgoing.
| A．Having a talk with the student | B．Given a talk with the student |
| C．One talk with the student | D．If you have a talk with the student |
That company is bound to lose the case in court because no one can _______ their selling pirated software and breaking intellectual property.
| A．justify | B．testify | C．confirm | D．prove |
The Internet brings much convenience to us. It allows us to order goods online, ______ us one trip after another.
| A．sharing | B．sparing | C．reducing | D．affording |