______ a certain doubt among the people as to the practical value of the project.

_________ is the weather ________ insummer— It’s hot.

The Dragon Boat Festival is coming. I’m going to give a talk about it to the exchange students.—Great! But don’t forget to tell them _________.

These surveys indicate that manycrimes go by the police，mainly because not all victims report them

. It’s not important __________ you maycall it. What is important is __________ you make good use of it.