Clearly, development aid together with food ______ the long-term solution to the problem of poverty.
Remember, Peter, when you learned to drive a car? ______ you drove more, you got better and better. It’s the same with Chinese study.
It used to ______ that humans and animals were different and had little in common.
The day breaks, _______ the birds are singing.
________, I attended the meeting instead of him last week.
When you read the book, you’d better make a mark ______ you have questions.