He was slow to g_________ what the teacher said.（明白）
举一反三
- “I am a teacher,” Jack said. →He said _________.
- The teacher was by what the student said.
- He had no (idea) about what the (teacher) had said. A: /ɪə/ /ɪə/ B: /iː/ /ɪə/ C: /ɪ/ /e/ D: /ɪə/ /iː/
- The teacher was ________________ (confusion) by what the student said.
- The teacher was by what the student said.（confusion）