Fill in the blanks with the proper form of the given verbs . 1. I am afraid the book you are looking for _______ yesterday afternoon.  (lend) 2. The basement was used _______ weapons during the wartime.  (store) 3. ________ of the development of science, we must look back into history.    (speak) 4. The river bank ________ twice since last October.   (strengthen) 5. Do you feel like ________ the TV program about spiders? (watch) 6. It ________ not long before he found himself in a trap. (be) 7. She likes to enjoy the light music with all the lights ________ off in the evening.  (turn) 8. It is relaxing to sit in the shade on a summer's day _______ with a few close friends.  (chat) 9. Selecting a mobile phone for personal use is no easy task because technology ________ so rapidly. (change) 10. Since it looks like rain, you had better, I think, ________ fishing. (not, go)