Master Irregular Verbs 13

01Cutting and polishing precious stones was an art ______ to the Ancient Egyptians. [Past Participle]

02The company had to ______ off staff due to economic difficulties. [Base Form]

03The landmark case ______ down the foundational principle of product liability. [Past Simple]

04The guidelines have been clearly ______ out in the department handbook. [Past Participle]

05The visiting professor was invited to ______ a seminar on commercial law. [Base Form]

06Their experimental work ______ to the growth of a great deal of new chemical knowledge. [Past Simple]

07The detective discovered the clue that has ______ to the recovery of the stolen money. [Past Participle]

08It is important not to ______ any difficult decisions to unqualified personnel. [Base Form]

09The Prince ______ most of the ordinary everyday decisions to his satraps. [Past Simple]

10After tanning, only the middle layer of the skin is ______ to provide leather. [Past Participle]

11I knew I could count on you to ______ me some money in an emergency. [Base Form]

12My parents ______ me the funds to purchase my first vehicle. [Past Simple]

13The bank demanded repayment of all the money that had been ______ to the firm. [Past Participle]

14Good instructors will never ______ students lose confidence in their abilities. [Base Form]

15Because there were mitigating circumstances, the judge ______ him off with a warning. [Past Simple]

16The premises were ______ on a five-year commercial lease. [Past Participle]

17If you don't practise speaking a foreign language regularly, you will ______ it. [Base Form]

18The Olympian festival eventually ______ its local character and became an international event. [Past Simple]

19If you find you have ______ the thread of the story, re-read the chapter. [Past Participle]

20Candidates who use collocations accurately ______ fewer mistakes in their writing. [Base Form]