Some bags are of poor quality and harmful to our healthy grammatical phenomena

Some bags is the subject, are is the predicate, and it is followed by of poor quality and harmful to our healthyIt is a juxtaposition ingredient. This is to figure out the use of subject-verb and and.

The subject is some bags

Then the predicate are

of poor quality and harmful to are both adjectives.

The last object is our health

where of followed by a noun can be used as an adjective.

The subject is some bags, of +n= adj., in the sentence of poor quality means "poor quality". The meaning of the whole sentence is "poor quality bags, harmful to our body." ”

be harmful to what is harmful to be of + corresponding noun = corresponding adjective such as very difficult = be of greatest difficulty and finally should be health

Be of+ noun is equivalent to an adjective. be harmful to sth

here are some pictures of our trip to beijing.

The team will answer for you, I wish you a happy time

I don't quite understand what needs to be filled in. i'm sorry

How about touching someone? Chinese girls often arm in arm with their friends. South Americans sometimes arm when they talk to you, so you can't leave! But the British don't like to be touched by others.

Do you look at people when you speak? In some places, it seems rude.

theirs

These are our bags, what about theirs?

theirs, the sentence is an abbreviated sentence, and the complete completion is: these are our bags where are their bags?

Here theirs are directly used instead of their bags

shelf;The plural form of shelf should be shelves.