Tom ____ be ill, for I saw him playing basketball an hour ago.
| A．mustn’t | B．needn’t | C．can’t | D．may not |
27. Our headmaster felt fairly happy today because ten students were praised at the meeting, _____three were from our school.
| A．for them | B．of whom | C．of them | D．of that |
26. ______more and more forests destroyed, some animals are facing the danger of dying out.
| A．With | B．By | C．As | D．For |
25. ---- Ricky, why hasn’t Billy been with us these days?
---- Oh, he is _________for next month’s 400m race.
| A．standing out | B．taking up | C．backing out | D．working out |
24. – Jack, when shall we go to visit Mr. Smith?
– It’s up to him. We’ll go to see him whenever _______.
| A．he is convenient | B．he will be convenient |
| C．it will be convenient for him | D．it is convenient for him |
23. He spoke very slowly, but he still didn’t get his meaning _______.
| A．across | B．cross | C．through | D．Though |