【原创】In addition to world hunger, some environmental problems human activities have contributed to ______ soon.
He _____ a visit to the factory and was warmly _____ by the workers there.
Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed
To her surprise, the manager ______ 30 dollars from her salary without any good reason.
—Shall we stop for lunch _____ shall we drive on?—Let’s stop for lunch, but the driver can’t drink _____ drive.
In his apartment there are two rooms, _____ is used as a living room.