1. Mr. Black always ___ on a drawing board. c) draws
2. These young men ___ at an English technical college in 2002–2004. a) studied
3. I ___ the device when you come. c) will be testing
4. Teachers sometimes ___ tables and diagrams before a lecture. b) hang
5. The students ___ to the institute by tram tomorrow. b) will go
6. You ___ for your girl-friend now. a) are waiting
7. I ___ for 2 hours when she drops in tomorrow. c) will have been translating
8. My daughter ___ French for 5 years. b) has been learning
9. The scientist _ a very interesting experiment when we entered the lab. a) was making
10. She ___ to a friend of mine at the moment. c) is talking
11. Researchers of this laboratory ___ new equipment for TV communication via outer space. a) have developed
12. The scientist _ his research by the beginning of the conference. d b) had completed
13. They ___ their translation of the texts before you return. b) will have finished
14. He ___ a letter for an hour when I came. c) had been writing
15. My father ___ from a business trip. a) has just returned