1. All of the flowers now raised here have developed from those _______ in the forest.
A. once they grew B. they grew once
C. they once grew D. once grew
2. In the office I never seem to have time until after 5:30 pm, _____ many people have gone home.
A. that B. which
C. whose time D. by which time
3. Is this the reason _______ at the meeting for his carelessness in his work?
A. he explained B. what he explained
C. how he explained D. why he explained
4. Luckily, we’d brought a road map without ______ we would have lost our way.
A. it B. that
C. this D. which
5. When he was working there he caught a serious illness from _____ efforts he still suffers.
A. which B. that
C. whose D. what
6. It’s said that he’s looking for a new job, one ______ he can get more money to support his family.
A. when B. where
C. that D. which
7. We are living in an age ______ many things are done on computer.
A. which B. that
C. whose D. when
8. The little time we have together we’ll try _____ wisely.
A. spending it B. to spend it
C. to spend D. spending that
9. The old building, behind _______ was a famous church, was _______ we used to work.
A. that, the place B. it, the place
C. which, where D. what, where
10. We will be shown around the city: schools, museums, and some other places, _______ other visitors seldom go.
A. what B. which
C. where D. when