The time has come _____ we make extensive use of nuclear energy.
A、WhenA
暂无解析
He didn't know which room ____.
Someconceptsmaybedifficulttograspchieflybecausetheymaybeunfamiliaror_____ideas,opinionswhichwealreadyhold.
Let's go swimming,_______?
Who do you suppose is the man ____ our teacher is talking ?
Thecitygovernmenthasdeterminedtoget_____withpeoplewhotrytoescapepayingtaxes.
