My grandpa is going to be years old this year. He will have his birthday party this Saturday evening.
—You’renewhere,______? —Yes,I’mfromDujiangyan.Icameherelastweek.
IamnotsureifTom____home.Ifhe________, I'llcallyou.
It_______me15minutestogettoschoolonmy bike.
------Whyareyouso________? -------Iamwatchingan_______basketballmatch.
The math problem is too difficult ,I can’t__________ .