Complete the sentences and make them grammatically correct.In some cases both the words are correct.
1)The police (is/are) interested in this case.
2)Mathematics(is/are)not the most popular subject at school.
3)All their belongings (has/have) been destroyed during the fire.
4)What will you be doing while the family (is/are)on holiday?
5)Charlie put on airs to impress his friends,but (it/they) just made him look ridiculous.
6)A company of musicians (is/are) going to present a concert at the town hall tonight.
7)The public (is/are) allowed in from 11 am to 4 pm.
8)The majority of the students (has/have) voted for you for class president.
9)The military (has/have)occupied the building.
10)-How did you spend your earnings?-I put (it/them)in the bank to save up for a bicycle.
11)Where(is/are)the cattle?
12)I like gymnastics.(It/They)(is/are) my favourite sport.
13)The crew (is/are) a group of people who work together usually on a ship,airplane,or train.
14)a)It is my (custom/customs)to walk to school every morning.b)We had to pay(custom/customs) on the sweaters we had bought in Scotland.
15)a)When the bag broke,its (content/contents) fell all over the floor.b)The (content/contents) of the letter upset me.c)I prefer food with a low fat (content/contents).
16)(These/This)species of butterflies has disappeared.