Not only the workers but also the machine ____ not there.
26. ______more and more forests destroyed, some animals are facing the danger of dying out.
25. ---- Ricky, why hasn’t Billy been with us these days?---- Oh, he is _________for next month’s 400m race.
24. – Jack, when shall we go to visit Mr. Smith? – It’s up to him. We’ll go to see him whenever _______.
23. He spoke very slowly, but he still didn’t get his meaning _______.
22. ----I’m going downtown. ----Come on, _______.