1, choose a. Take hold to take root and work; Explain sth. Explain clearly; Passed away; Suit sb. /something. Suit sb. Many people are still reluctant to buy things on credit. The idea that flowers don't earn money has not yet taken root in China.

2. Choose D. Ability, reputation, confidence, and character building.

3. choose c, like and take the object directly, not the sentence, and exclude b and d first; If means like, like, subjunctive mood, and the present subjunctive mood is expressed in the past tense, so A is excluded.