My sister is ________. She likes making friends with others.
| A．shy | B．quiet | C．athletic | D．outgoing |
The book states that the other two areas_______the two varieties of English differ are spelling and pronunciation .
| A．which | B．that | C．in which | D．from which |
In that hospital under no circumstances any member of staff___socialize with the patients .
| A．may | B．must | C．can | D．Should |
——Excuse me, Professor Smith, I was wondering if I could leave a quarter earlier today.
——____.
| A．Nothing the matter. | B．Sure, go ahead | C．Oh, why not? | D．No trouble at all |
We______every day for almost two weeks ,so I’ll need to buy a large backpack to carry my supplies .
| A．walk | B．have walked | C．have been walking | D．will be walking |
Our bad living habits will destroy the earth. Only by changing ____ we live can we save the earth.
| A．that | B．what | C．how | D．Where |