This is a first time that the child has seen an elephant.
举一反三
- By the time their first child was born, they (live) ______ in Toronto for five years.
- The theory by Jauss and Iser is the first time _____ are seen as core in literary research.
- This was the first time that I ______ the sea. A: saw B: have seen C: would see D: had seen
- He has seen people spending too much time on the problem and too little time on the (solve)（）
- ______from a distance the mountain looks like an elephant. A: Seeing B: To seen C: Through seeing D: Seen