Question

Note A Noun Clause is generally introduced by the Conjunction that.
the Conjunction that is omitted; as,
The Monitor said (that) Abu is absent today.
Exercise
(subject)
Exercise 1: Pick out the Noun Clause in each of the following sentences and say how it is use
NC
1. How the prisoner escaped is a mystery.
2. He lives on what little he begs. P
3. What he said is of no importance to me.Ne.pl
4. I often wonder how you are getting on.c
5. The news that all was well delighted everyone.
6. I went to see what had happened. N
opposite
20
Learning BASIC GRAMMAR-8​

Answer 1

Answer:

5The principal reasons for failure are secondary caries, fracture, marginal deficiencies, wear, and postoperative sensitivity. Many of these things can be controlled by the operator; however, the patient also has a great deal to do with the long-term success of any restoration.

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