OBLIGATION AND OPTION (Check your vocabulary for TOEFL)

Check your vocabulary for TOEFL

OBLIGATION AND OPTION

Complete sentences 1 – 17 with a suitable word from the box. More than one answer is possible in some cases.

alternative	compelled	compulsory	entail	essential	exempt	forced	have	liable
mandatory	must	need	obligation	obliged	optional	require	voluntary

1	A valid passport and visa are _____________ by all visitors to the country. Unless you have these, you will not be allowed in.
2	Attendance at all classes is _____________. You may not miss a class without prior arrangement with your course leader.
3	Note to new students: all fees _____________ be paid no later than one week before the commencement of the course. Your place on the course may be forfeited if you fail to satisfy this requirement.
4	Before you make an appointment with the college doctor, you _____________ to register your name at the clinic, which you will find in the Administrative Block.
5	If you cause any damage to property, whether accidentally or on purpose, you will be held _____________ for any costs incurred.
6	The college was _____________ to refund part of its student fees after they announced that several of the course modules would no longer be running.
7	Books, clothes, and food are currently _____________ from government tax, as they are considered necessities rather than luxuries.
8	_____________ police security checks are carried out on all students and members of staff who will be working or associating with minors (i.e., those under 18).
9	Entrance to the museum is free, but visitors are asked to make a _____________ donation of $5.
10	Evening lectures and presentations are _____________: it is up to you whether you attend or not.
11	Unless your attendance improves, the college will have no _____________ but to ask you to leave the course.
12	Manufacturers of packaged foods are _____________ to list all the ingredients contained clearly on the box or package. This should include any artificial colorings and additives.
13	You are under no _____________ to work overtime, but we hope that you would be prepared to work late at least once a week.
14	When Professor Ranscombe was accused of making sexist remarks in his lectures, he felt _____________ to write a public letter of apology to those he had offended.
15	The project is very exciting, but everyone realizes that it will _____________ a lot of work.
16	There's no _____________ to make an appointment to see me. Just turn up at my office anytime after lunch.
17	It is absolutely _____________ that the two liquids are kept separate, otherwise a chemical reaction could trigger an explosion.

ANSWER KEY