I am rather      about the full mark that he got in the recent English test, because he never studies.

The professor could tell by the _______look in Maris’s eyes that she didn’t understand a single word of his lecture

She listened with a________expression on her face,which suggested she didn’t completely understand.

Green products are becoming more and more popular because they are environmentally _________.

A lot of praises have come from those _____ patients because they are getting better after taking the medicine.