Instruction
Select the best answer to complete the sentence.
1. Bill -------- his mother for four years when she died of a lung cancer at the age of 65.
2. We have been conducting an -------- research for about 5 years.
3. I -------- an evening dress and went to my friend’s wedding party.
4. There is a possibility that ---------- will occur in the newly developed machine.
5. He is of average -------- and weight.
Your score is
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