.When it _________ high technology, he is completely at a loss.

Will you go with us for an outing on Saturday— I’d like to, but I am really busy these days. I can’t _______ a whole weekend.

Once a decision has been made, all of us should ________ it.[ ]

40 She was reading the newspaper attentively, but she looked _____ the newspaper when she heard them talking about her

Large quantities of water, as well as some other timely help including a medical team ___ since the serious drought hit Yunnan Province. [ ]