选择正确的答案完成句子。1. Are these your _______________ (suitcase / suitcases)?
2. These are our _______________ (toothbrushes / toothbrush).
3. Mother _______________ (washing / washes) dishes in the sink.
4. I'm _______________ (take / taking) a shower in the bathroom.
5. Jenny is _______________ (siting / sitting) on the couch.
试题答案
1. suitcases 2. toothbrushes 3. washes 4. taking 5. sitting