We must take care of our parents when they are old. ---- Our parents ______ when they are old.
A: must be taken care
B: must be took cars
C: must take care of
D: must be taken care of
A: must be taken care
B: must be took cars
C: must take care of
D: must be taken care of
举一反三
- These books ______ good care of. A: must taken B: must take C: must to take D: must be taken
- Children must _____ by their parents. A: be taken good care B: be taken good care of C: take good care D: take good care of
- The old man is quite weak after the accident, so he ___ . A: must take care of B: must be take care of C: must look after D: must be looked after
- The old man was quite weak after the accident , so he . A: must be take care of B: must take care of C: must be looked afte D: must look afte
- The young trees ______ before they grow up. A: must be taken good care of B: may take good care of C: should taken good care of