terribly
老虎叫的真可怕
to repeat
When we look after pets,we should be careful_______(care) and treat them ___carefully____ (care).
He _repeated______(repeat) it for the third time because some of us couldn't understand.
____to improve___ (improve) my listening ability,I listen to English programs on the radio every day.
Peter won't go there if he __has_____(have) no free time the day after tomorrow.
They had no trouble in ___understanding____(understand) the poem.
They decided __to take_____(take) a trip in the neighboring city tomorrow.