Нужно вставить to be succes или to make progress в нужной форме.
1. The boy....... in English for the last six months. Now he can read English books. 2. I have seen a new film lately. I don't think it...... It's not interesting. 3. Ulanova........ in all the performances. 4. Our science...... for the last few years. 5. "If you work much at your English you will easily....," said the teacher. 6. When the Bolshoi Theatre was abroad it...... .