The weather wasin the morning, but it rained in the aftemoon.

Jason, I can’t get Sue on the phone.—I’m seeing her this afternoon. Do you want me to________ any message

The government of the United States began at once to investigate the case ______ a lot of students were killed.

Never before ______ in greater need of modern public transport than it is today. [ ]

With the advances of technology, plastics have taken the place of many ______ materials.[ ]