There are plenty of vegetables in the fridge. You needn’t buy ______.
The visitors were admiring the charming flowers ______ it started to rain.
The teacher didn’t imagine that a student good at maths ______ have failed in the exam.
— You look rather down today. —______ to board the 4:20 flight, you know, I dared not close my eyes.
Teachers should bear in mind that each student’s improvement ______.
— Lucy’s difficulty in numbering and pronunciation makes her feel ______ in class.— Let’s try our best to help her out.