Rewrite each of the following sentences using the word(s) given so that its meaning stays the same

Rewrite each of the following sentences using the word(s) given so that its meaning stays the same.
1. Mr. Nam started teaching English 20 years ago. (FOR)
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2. This is the first time she has come to Vietnam. (NEVER)
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3. The last time I met her was 3 years ago. (HAVEN’T)
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4. That is the most interesting novel I have ever read. (SUCH)
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5. This is the third time I have been to Hanoi. (TWICE)
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