—Why are your eyes so red? You ________ have slept well last night.—Yeah, I stayed up late writing a report.
Dark glasses are sometimes worn to ________ the eyes from strong sunlight.
Although different in many ways,the British and the Americans ________ many of the same customs.
The little chick the ________ earthworm,deciding whether to swallow it or let it go.
There are some spelling mistakes in your composition,but ________ your composition is good.
Though this question is very difficult,if you ________ trying you will find the right answer.