_______ your_______ long or short

mothers can’t come to the meeting because they go to Beijing.

The weatherman on the news said it would rain later this afternoon.— Well, I ____ take my umbrella along with me today.[ ]

How long do you think it is _____ he took up the job?— Half a year at least[ ]

Amy, I called you yesterday evening, but nobody answered the phone.— Oh, I _____ a walk with my mother at that time.