The students often help___.
举一反三
- Biology teachers often _________________ the heart and a pump in order to help students understand how the heart works.
- Biology<br/>teachers often ((__an__between))((__))the A: pump in order to help students understand how the heart<br/>works.
- Biology teachers often make an ( ) betweenthe heart and a pump in order to help students understand how the heart works. A: allergy B: analogy C: astronomy D: analysis
- Help was often given to him by us. We often ______ him ______.
- The teacher has done his best __ their studies. A: help his students to improve B: to help his students to improve