This kind of food_____ cool,clean and dry according to the instruction.

题目

This kind of food_____ cool,clean and dry according to the instruction.
A.should be carried B.must be put C.should be placed D.must be kept
His family_____this time yesterday.
A.are watching B.is watching C.were watching D.was watching

答案

1.D根据说明书,这种食物必须保持在阴凉,洁净,干燥（的环境）
2.C他们一家昨天在这个时候正在看电视（电影）