—Can those ________ at the back of the classroom hear me?—No problem.
While working outdoors,Linda was________by the heat and fell to the ground,unconscious.
The man answered the phone in a loud voice at the meeting,________made Andy annoyed.
There is no simple answer,________is often the case in science.
Finding information in today’s world is easy.The ________is how you can tell if the information you get is useful or not.
Helen has been looking for a job over the whole year,feeling she can’t get________without work experience.