Sorry, these two tables are already ______. You may book the one over there.
| A．preserved | B．deserved | C．observed | D．reserved |
Jake’s passed his exams. We’re going out to ______.
| A．joke | B．invite | C．celebrate | D．argue |
We couldn’t understand: what could ______ his sudden change of mind?
| A．enjoy | B．explain | C．accept | D．mean |
I didn’t mean to break your vase—it was just ______.
| A．an accident | B．an advantage | C．an agreement | D．an experience |
He was breathing ______ after the relay race.
| A．heavily | B．slowly | C．carefully | D．weakly |
People are concerned about the quality of the air they ______.
| A．hear | B．eat | C．drink | D．breathe |