Recycling is one way to protect the environment; reusing is _____.

A. another         B. the other       C. one another D. one

Animals are obviously _____ lower form of life than ______ man.

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

I ____ to visit you later that day, but I had to phone and cancel.

A. come    B. came     C. am coming    D. was coming

Shakespeare’s play Hamlet ______ into at least ten different films over the past years.

A. had been made              B. has been made

C. was made               D. would be made

 _______ small, the company has about 1000 buyers in over 30 countries.

A. Although       B. If   C. Once     D. As

It was not until near the end of the letter ______ she mentioned her own plan.

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

No one ______ be more generous; he has a heart of gold.

A. must     B. dare      C. need     D. could

Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.

A. enjoys  B. practices       C. involves         D. suggests

Old-fashioned phones matter when wireless networks _____ in disasters.

A. turn down     B. break down  C. turn out         D. break out

Not until he went through real hardship ______ the love we have for our families is important.

A. did he realize                  B. had he realized

C. he realized             D. he had realized