18．Development of economy ______ which our country attaches great importance, has drawn the attention of the whole world

I wonder if it is_________ for you to pick me up on your way home this afternoon.

The new teacher referred to________to our school yesterday

ake is delicious—Well, at least itis the one I bakedyesterday

A medical team was sent to Japan by air five hours ago.-So they ________ have arrived by now.The flight usually takes four hours or so.[ ]