单选题 Fifty kilometers ____ too far for us to walk in one day.

单选题 One or two employees ____ late for the meeting this morning.

单选题 Those foreign visitors ____ to visit the Great Wall tomorrow.

单选题 The equipment in the laboratory ____ updated last month.

单选题 More experts than one ____ against the new policy.

单选题 The clothes my mother bought for me ____ very comfortable.

单选题 Many a student ____ interested in learning artificial intelligence.

单选题 Her suggestion on environmental protection ____ very practical.

单选题 More than one engineer ____ involved in the bridge construction.