Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.

1. What's the plural of 'studio'?

2. We'd ________ get going or we'll miss the last train.

3. What ___ you like for dinner tonight?

4. What's the plural of 'volcano'?

5. What's the plural of 'city'?

6. What ________ at the moment?

7. Weight

8. Weren't you ________ to have completed the work by now?

9. Were you ________ the party?

10. What's ________ with you- you look so unhappy?

English Test

1. ESL-EFL Test - 68
2. ESL-EFL Test - 69
3. ESL-EFL Test - 70
4. ESL-EFL Test - 71
5. ESL-EFL Test - 72
6. ESL-EFL Test - 73
7. ESL-EFL Test - 74
8. ESL-EFL Test - 75
9. ESL-EFL Test - 76
10. ESL-EFL Test - 77
11. ESL-EFL Test - 78
12. ESL-EFL Test - 79
13. ESL-EFL Test - 80
14. ESL-EFL Test - 81
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16. ESL-EFL Test - 83
17. ESL-EFL Test - 84
18. ESL-EFL Test - 85
19. ESL-EFL Test - 86
20. ESL-EFL Test - 87
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  • Simple Science

    The Preservation of Wood and Metal

    Chemicals as Disinfectants and Preservatives:
    The decaying of wood and the rusting of metal are due to the action of air and moisture. When wood and metal are surrounded with a covering which neither air nor moisture can penetrate, decay and rust are prevented. Paint affords such a protective covering. The main constituent of paint is a compound of white lead or other metallic substance; this is mixed with linseed oil or its equivalent in order that it may be spread over wood and metal in a thin, even coating. After the mixture has been applied, it hardens and forms a tough skin fairly impervious to weathering. For the sake of ornamentation, various colored pigments are added to the paint and give variety of effect.

    Railroad ties and street paving blocks are ordinarily protected by oil rather than paint. Wood is soaked in creosote oil until it becomes thoroughly saturated with the oily substance. The pores of the wood are thus closed to the entrance of air and moisture, and decay is avoided. Wood treated in this way is very durable. Creosote is poisonous to insects and many small animals, and thus acts as a preservation not only against the elements but against animal life as well.

    Chourishi Systems