填空。把数字填入相应的括号内。 |
( ) one ( ) four ( ) two ( ) three ( ) six ( ) five ( ) seven ( ) ten ( ) eight ( ) nine |
2 5 1 4 3 7 6 9 10 8 |
( ) twelve ( ) eleven ( ) thirteen ( ) fifteen ( ) fourteen ( ) twenty ( ) eighteen ( ) seventeen ( ) sixteen ( ) nineteen |
15 12 11 13 14 17 16 18 19 20 |