Why are you standing here, Tom—I can’t see the blackboard clearly. Two tall boys aresitting ____ me.

______ at the airport, he telephoned his wife and bold her what he would do when he got home

If a student ____ in the exam, he won’t escapepunishment.

The Chinese ____ prefer tea to coffee[ ]

If you keep working like this, your health will ________ under the pressure of work sooner or later.[ ]