8. Open the brackets and choose the proper form of the verbs: 1) There … (is / are) a lot of sheep in the field. 2) The scissors … (is / are) very sharp. 3) The information he gave us … (is / are) useful. 4) The carrots … (is / are) delicious. 5) The youth of today … (has / have) many advantages. 6) The opera-glasses … (is / are) out of focus. 7) The grapes … (is / are) ripe. 8) When the traffic-lights … (is / are) red, don’t cross the street. 9) The equipment … (is / are) too complicated. 10) The stairs … (is / are) very old. 11) The acoustics in this room (is / are) very good. 12) … (is / are) there any statistics for road accidents? 13) There … (is / are) many series of this book. 14) The phenomena … (is / are) unusual. 15) The traffic … (is / are) very heavy in this street. Be careful! 16) Mathematics … (is / are) difficult for me. 17) The knowledge she has got at the university … (is / are) very deep. 18) The military … (has / have) occupied the house.