Sentence Improvement

They did not go there at the proper time, do they?

Pakistans political crisis deepened on Thursday with a defiant Nawaz Sharif rebuffing ruling PPP governments offers for talks as police lathicharged activists and detained politicians and lawyers which demanded immediate reinstatement of sacked judges

As the boxers advanced into the ring the people said they would not allow them to fight.

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.

Select the grammatically correct sentence:
1. Due to want of rain the wells have gone dry.
2. Because of want of rain the wells have gone dry.
3. For want of rain the wells have gone dry.
4. Owing to want of rain the wells have gone dry.

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.

Since you swear to serve me faithfully and constantly, I will employ you.

Select the grammatically correct sentence:
1. It is the duty of a house-wife to wait on the guest.
2. It is the duty of a house-wife to wait for the guest.
3. It is the duty of a house-wife to wait the guest.
4. It is the duty of a house-wife to await the guest.

Select the grammatically correct sentence:
1. By June next year Ajax will be twenty years working in the office.
2. Till June next year Ajax will work in the office for twenty years.
3. Till June next year Ajax will be working in the office for twenty years.
4. By June next year Ajax will have been working in the office for twenty years.