verbs: Are the sentences correct? Correct when necessary.
a. The pen and the paper is on the desk.
b. The box of chocolates are on the shelf.
c. Every one of the students have practised very hard.
d. The skill of understanding personal communications is crucial to good business.
e. Not many people know the truth about the lifestyles of the rich and famous.
f. The number of people who are mobile phone owners rise every year.
g. It used to be thought that learning languages waste time.
h. A great many success stories are due to hard work.
i. She is taking the test twice because she believe it is best to have a trial run.
j. In the '50s, the comedy team of Abbott and Costcllo were world famous.
k. Every day there is another driver who lose his driving licence due to speed.
l. None of the students sit at the back of the lecture theatre.
m. No-one know exactly why economics are more important now than in the past.
n. Neither of the debates were successful.