Steve is very strong and healthy. Strangely enough, he ____ have been infected by HINI virus. A would B must C should D might
.________ bricks,workers press clay into blocks and bake them to the requisite hardness in a kiln.
New ideas sometimes have to wait for years before ________.
________ the past,our life is much better.
________ for several weeks,the city needed food.
I went to see him,________ him out.