Ex1:In each of the following sentences ,put the verb in brackets in to the correct form
1: Two weeks (go)......................fast when you are on vacation
2: Many of the girls in my school (wear).................white shirts
3:Three kilos of potatoes (make).............the basket heavier
4:Some of the tables in the classroom (be) ......................broken
5:Bacteria o the harmful kind (cause)......................diseases
6:What we need most (be).....................books
7:The English (be)......................proud and independent people
8:The United States (have).....................a population of 250 million
9:There (be/not)......................................any letters for you yesterday
10:Everyone in both cars (be)......................injured in the accident last night