单项选择题You said the books were on the desk, but______there.
单项选择题Professor Li helped a lot of graduates, many of______later were successful in their fields.
单项选择题—Julia was angry with me. —I am afraid so, but you______have talked with her in a different way.
单项选择题Jack contributed fifty dollars, but he wishes he could contribute______.
单项选择题The soldiers______to rescue those still alive the moment they got to the flooded village.