I need ---visa to go abroad.

The plural form of letter 't' is-

How do you read this political situation -

Inorrect sentence

I am at sixes and sevens.Sixes and seven means-

Bennett's novel “The Old Wives' Tale” is the one ------- he is likely to be best known by posterity.

He's certainly going to recommend that the changes in the structure of the company be introduced step by step, and -------.

Infectious diseases are those which are caused ___ an invasion of the body ____ organisms from outside.

Acid rain only became a --------- environmental issue in the 1980s following groundbreaking studies in the 1970s.

Thanks to improvements in car design, ------- of the power produced is wasted in friction ------- was formerly the case.

She failed to get anyone to repair the taps for her at the weekend, ------ could she do it on her own.

------- the letters written by so many parents, the headmaster agreed not to expel the boys.

The term "man-machine system" fell somewhat into disrepute and was replaced by "person-machine system" --------- the need to avoid sexist language.

As regards the decision to modernize the mines in the region, here is a report which contains ------- relevant information.

He was advised not to discontinue this medicine ------- this might bring a recurrence of the complaint.

A devaluation of the dollar would _____ New York's position as a financial centre

The flight attendant caught a _________ of cigarette smoke, so she checked the cabin and washrooms to see if someone was smoking.

The results of last weekend’s poll have _______ to be announced and officials say it could be _______ week before they are.

The neutral mutation rate is known __________ widely along human chromosomes, __________ to mutational hot and cold regions.

In order to reduce _______ the company is now using low-quality toilet paper.