Each of the following sentences has an error. Find the errors and correct them.

More than ten students have failed the exam, that surprised the class teacher.

We feel uncomfortable in this weather. (fish)

 => We feel _{…………………………………………………………………} in the house.

It is not likely that the effects of global warming can be reversed. (likelihood)

$\to$ There is _{…………………………………………………………………} reversing the effects of global warming.

We will not delay our voyage whether there is a rain or not.

$\to$ Regardless _{.........................................................................................................................................................................}

The motor in this machine needs cleaning once a week. (has)

$\to$ The motor in this machine _{…………………………………………………………………} once a week.

That’s the strangest film I’ve ever seen.

$\to$ I have _{.........................................................................................................................................................................}

I regret not studying hard at school.   (only)

$\to$ If _{…………………………………………………………………} hard at school.

SECTION II: LEXICO – GRAMMAR 

Choose the best answer from A, B, C or D to best complete the following sentences.

All of students in the country have been away from school for the last four weeks because of ________ of Covid-19.