【正文】
二、用括號中所給單詞的正確形式填空 1. His ______ (physics) force was weak, but his mental force was very great. 2. The car wouldn’t go because the ______ (engineer) had gone wrong. 3. It’s a ______ (frequently ) practice of his to take an early morning swim. 4. You were very _____ (luck) to escape that serious traffic accident last week.