1. In fact he had done ______ he could do to help the poor.
A. what B. which C. as D. all which
2. The grass ______ many animals live is abundant here.
A. by which B. with which C. on which D. of which
3. Would the news ______ he failed to pass the exam bother you?
A. which B. that C. of which D. on which
4. History is a record of mankind; different historians _______, interpret it differently.
A. therefore B. on the contrary C. however D. consequently
5. It was not until it got dark _______ working.
A. that they stopped B. when they stopped C. did they stop D. that they didn’t stop
6. Thinking that you know ______ in fact you don’t is not a good idea.
A. what B. that C. when D. which
7. Helen was much kinder to her youngest child than she was to the others, ______, of course, made the others jealous.
A. who B. what C. that D. which
8. Evidence came up ______ specific speech sounds are recognized by babies as young as 6 months old.
A. where B. that C. which D. what
9. Rubber differs from plastics ______ it is produced naturally and not in the lab.
A. at that B. in that C. for that D. with that
10. ______ is well known, the key to success lies in hard work.
A. As B. That C. Which D. What
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