[单项选择]Don''t have the water _________all the time while you are out.
A. running
B. run
C. runned
D. runs

[单项选择]Don't have the water ______ all the time while you are out.
A. running
B. run
C. runned
D. runs

[单项选择]Don''t have the water _________all the time while you are out.
A. running
B. run
C. runned
D. runs

[单项选择]I don't have time to consider the proposals ______ at the meeting.
A. which made
B. made
C. that were made them
D. which made them

[单项选择]Working parents usually don't have enough time ______ with their children.
A. stay
B. stayed
C. to stay
D. staying

[单项选择]Roger: Hurry up! We don't have much time left. Dick: ______. We still have two hours. Roger: Come on! This is my first time ever to take a plane. I don't want anything to go wrong.
A. Go on
B. Take it easy
C. All right
D. Look out

[单项选择]Roger: Hurry up! We don't have much time left.Dick: ______. We still have two hours.Roger: Come on! This is my first time ever to take a plane. I don't want anything to go wrong.
A. Go on
B. Take it easy
C. All right
D. Look out

[单项选择]All don't have a free ticket must pay the admission fee（）.
A. Everyone who doesn't have a free ticket
B. No one who doesn't have a free ticket
C. No one who has free tickets
D. Anyone who has free tickets

[单项选择]

We all have offensive breath at one time or another. In most cases, offensive breath emanates from bacteria in the mouth, although there are other, more surprising causes.
Until a few years ago, the most doctors could do was to counsel patients with bad breath about oral cleanliness. Now they are finding new ways to treat the usually curable condition.
Bad breath can happen whenever the normal flow of saliva (唾液) slows. Our mouths are full of bacteria feeding on protein in bits of food and shed tissue. The bacteria emit evil-smelling gases, the worst of which is hydrogen sulfide (硫化物).
Mouth bacteria thrive in airless conditions. Oxygen-rich saliva keeps their numbers down. When we sleep, for example, the saliva stream slows, and sulfur-producing bacteria gain the upper hand, producing classic" morning breath".
Alcohol, hunger, too much talking, breathing through the mouth during exercise -- anything that dries the mouth produces bad brea
A. thrive on
B. account for
C. originate from
D. descend from

[单项选择]All don''t have a free ticket must pay the admission fee（）.
A. Everyone who doesn't have a free ticket
B. No one who doesn't have a free ticket
C. No one who has free tickets
D. Anyone who has free tickets

[单项选择]We don't have much time ______; I will end my lecture in a minute.
A. remained
B. kept
C. left
D. found

[单项选择]I don't think you have a good time, ______