Sentence Improvement

Had there been no rain today, I would have forgotten my raincoat in my office.

Select the grammatically correct sentence:
1. This was the ideal book available in the market.
2. This was most ideal book available in the market.
3. This was a most ideal book available in the market.
4. This was the most ideal book available in the market.

Select the grammatically correct sentence:
1. As the train which was my usual was missing I had to travel.
2. Having missed the train which I usually catch and had to travel.
3. I missed the train which I usually catch and had to travel by the next.
4. I missed not only the train which I usually catch but had to travel on the next.

Select the grammatically correct sentence:
1. The important lessons are following.
2. The important lessons are as following.
3. The important lessons are as follows.
4. The important lessons are as follow.

Although you examine it carefully you will notice some flaws.

Select the grammatically correct sentence:
1. It is a pleasure to see an alligator basking in the sunshine on a river bank as long as ninety feet.
2. It is a pleasure to see an alligator as long as ninety feet basking in the sunshine on a river bank.
3. It is a pleasure to see an alligator basking in the sunshine as long as ninety feet on a river bank.
4. It is a pleasure to see an alligator basking as long as ninety feet in the sunshine on a river bank.

When the bomb went off, it broke all of our windows.

Select the grammatically correct sentence:
1. The teacher asked the student with a frown on his face to leave the room.
2. The teacher asked with a frown on his face the student to leave the room.
3. With a frown on his face the teacher asked the student to leave the room.
4. The teacher asked the student to leave the room with a frown on his face.

Identify the incorrect sentence or sentences:
a. The most tangible cost of modernization is environment.
b. From the summit of Yu Shan to the coastal crags of Lunfung the landscape looks like one big fouled nest.
c. 'Taiwan is filthy rich', as a Taiwanese friend put it.
d. 'And you've got to spend some of it on environment".

Identify the incorrect sentence or sentences:
a. Its hazardous to use a handheld cell phone while driving.
b. So many people turn to hands-free models.
c. But they are also dangerous ,says researchers,
d. Distractions, it was shown,weakens concentration.