It is important to ___ you knees when you lift heavy objects.
Linking VerbPresent Continuous TenseImperative Sentence
Other quiz: Grammar
The necklace that is worn by my mother is made ____________ platinum.
How to use : Read the question carefully, then select one of the answers button.
Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.