Wo ____ when we begin our fieldwork here.A: appearanceB: applicationC: accomplishD: ac

Our teacher recommended that we ______ as attentive as possible when we visit the museum.A

Hes not our______son—we adopted him when he was three.A．primitiveB．naturalC．firstD．origina

When we arrived at the airport, we were told our flight______.A．cancelledB．had cancelledC．

Although we met with some unexpected difficulties at the beginning, we fulfilled our task_

When the ceremony （典礼)was 24_,we threw! our caps in the air, and we were officially grad

Dr. Krugman believes that when we stop noticing ads we begin to______.A.like themB.be on