rom outer space, the earth is________ a blue ball

It wasn’t until nearly a month later _______ I received the manager’s reply. [ ]

Dad, please tell me when Mum_____. I miss her very much. —She will return when she_____ her task. And she will bring a nice present for you.

Three students ______ Wenzhou Middle Schooltook part in the Oral English Competition.

Though I ______ the phone number many times, the foreigner still couldn’t write it down.