an’t concentrate on his lessons recently.—-Yes, that might _____ his low score in the lasttest.

in a science competition, the threestudents were awarded scholarships totaling $ 21, 000

Fur coats are good means to ______ people from frost bites in cold winter. [ ]

What kind of music do you like— I like the music has great lyrics.

The campers ____ the tent first, and built the fire outside it. [ ]