Подчеркните придаточное предложение и переведите его на русский язык.
1. When my brother is 17, he will finish school.
2. Will you work here until he comes?
3. If you don’t learn these words, you will not be able to write the test.
4. When I have my holidays in August, I will go to the Caucasus.
5. If he doesn’t go to the cinema, he will ring us up. 6. Please, return my English textbook, if you don’t use it.