It is always true that sometimes even if you have had a big dinner, _________ are that you will still want to reach for food when it gets late．
| A．problems | B．facts | C．chances | D．cases |
—Do you know whether they talked about their work or their family?
—Asmatter of fact，I couldn’t hear it clearly, as they talked inwhisper．
| A．the，a | B．the，the | C．a；a | D．a：the |
________ Richard offers to his friends is honesty and happiness.
| A．That | B．Which | C．Whom | D．What |
Living with host families, ________ there may be other college students, gives her the chance to learn more about the new culture.
| A．on which | B．about which |
| C．in which | D．among which |
She has a gift for creating an atmosphere for her students ________ allows them to communicate freely with each other.
| A．where | B．which | C．what | D．who |
I could see a whale ________ by a pack of about six other killers.
| A．having been attacked | B．being attacked |
| C．to be attacked | D．be attacked |