【简答题】I. Fill in the blanks with proper prepositions. 1. He was indifferent _______ his personal appearance even in formal situations. 2. Something is wrong _______ her eyesight. 3. Students should not be t...
【简答题】Alex saw some________(mouse) running across the floor. 2. We have four ________(class) this morning. 3. Accurate ______(datum) covering the fact are not obtainable. 4. Thunder and lightning are _____...