didn't take a long time to produce any actual
application
5. in the 19th century, scientific discoveries
were taking a long time to produce any actual
application
9.
by his work, he threw himself on the
bed.
1. Exhausting
2. Exhausted
3. Be exhausted
4. To exhaust
5. To have been exhausted
10.
In summer I prefer___outdoor sports.
1. having been done
2. to be done
3. having done
4. doing
5. to have done
11. He is said ___ some new methods of
data processing.
1. to be using
2. to have been used
3. be used
4. to be used
5. to being used
12.
If I were not so busy, I ___a holiday.
1. take
2. took
3. would take
4. have taken
5. wall take
13.
Достарыңызбен бөлісу: 
