单选题 The teacher was satisfied ___ their work.

单选题 The enemies were surprised ___ the sudden attack.

单选题 As soon as we arrived ___ the village, it began to rain.

单选题 The bridge was made ___ stone.

单选题 It's time ___ breakfast .Hurry up.

单选题 Last week my friend came here to see me ___ train and we had a wonderful time.

单选题 Some people show no interest ___ politics, but most of people do.

单选题 Johnson always spends a lot of money ___ books.