Which word is similar to 'appal'?

Which book do you want? Here 'which' is a/an.....

Nasreen, an interior decorator, designs____

Lexicographer is related to-

One who draws maps is a-

A synonym for ' synergy' is-

There were _____ guests than I expected.

Which one is not a singular noun?

The profession of teaching is-

Last year, Susan _____ a book. I _____ it and _____ it last month.

Have you ever _____ on a camel? I have. I _____ on one when I was in Egypt.

Of all the policies put into effect by the Thatcher government, _____ controversial was the economic one.

After getting married, Garth began _______ his body. He stopped exercising and eating well.

Gabriel was ______ to eat more cake after finding a dead fly in his first slice.

Mr. and Mrs. DeClerk are __________. They too rich and proud to care about other people.