-Hello,Sandy.ThisisJack.Whatareyoudoing?-I’mwatchingama...

問題詳情：

-Hello, Sandy. This is Jack. What are you doing?

-I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.

A．has been              B．was              C．had been               D．will be

【回答】

D

知識點：動詞時態

題型：選擇題