Writing for Delta

What's wrong with writing: "This is a fun activity which is great for practising the forms."
1. It is an overuse of simile
2. 'fun' is not an attributive adjective and 'great' has little meaning
3. It is not clear what 'This' refers to
4. The word 'practising' is misspelt
If I change all the words in what a writer says but keep the sense, I do not need to credit the author.
1. False
2. True
3. But I do need to put the reference in the bibliography
et al. and et seq. mean:
1. the same
2. and others and and the following respectively
3. and others and elsewhere respectively
4. allowed and and the following respectively
In "It is conceivable that this may be due to ..." we have two examples of:
1. acceptable hedging
2. unacceptable vagueness
3. ambiguity of expression
4. tautology
The word 'postulate' means:
1. suggest
2. argue
3. speculate
4. aver
In: "The students are mostly young on the other hand they have had some international experience." we have:
1. a run-on sentence
2. a hanging participle
3. a misused conjunct
4. a misused conjunction
Bullet points:
1. should not be used
2. should be explained as well as used
3. should always be used for list of more than two items
4. should be used to save words
What's wrong with "The group of students was phased by being asked to pour over the text."?
1. It should be 'were', 'fazed' and 'pore'
2. It should be 'pore'
3. It should be 'fazed' and 'pore'
4. It should be 'fazed'