.We may be going skiing at Christmas, but it’s still all up __________. We’ll probably make the decision the day after tomorrow.
—It's a pity that Andrew didn't want to go to the conference. —________ willing to go,we could have paid all his expenses.
—Why do you look so puzzled? —Oh,I ________ over a most difficult maths problem.
—Peter!Let's hurry.The boss is coming. —Oh,I was afraid that we ________ her.
The past two years ________ a sharp rise in oil price,which adds to the burden of auto transportation industry.
—Jack is always studying hard and does well in all subjects. —No wonder he ________ to be admitted to Beijing University.