No one could _________ the failure of the experiment as everything went smoothly at first.

A. give an account for   B. account for  C. take account of  D. take into account

The young man could repair a TV, and that would have been of____ high status in ____ eyes of local people.

   A a, the     B the, the    C ∕, ∕    D∕ , the

When it comes to bringing up children, some people say______ strict control produces well-behaved children.

   A ∕, the        B the, ∕         C ∕, ∕          D the, the

She is ________ in red today and looks very beautiful.

  A wearing    B having on   C putting on  D dressed

---You’re going to collect money for the drought areas in southwestern China?

   ---______. We should try our best to give them a hand.

       A. No, I am not                                               B. No, I was just joking

       C. Yes, I do                                           D. Yes, I have never been more serious

You should have informed me that the lecture was canceled. I ________ all the way here through the heavy rain.

A．mustn’t have run  B．can’t have run  C．shouldn’t have run  D．needn’t have run

 --- Excuse me, is the shop open around the clock?

--- ________. Only from 8:00 a.m. to 4:00 p.m.

A. I’m not sure      B. Well, it depends

C. That’s right D. I’m afraid not

________ the latest estimates, insects account for probably 4 to 6 million of the species of creatures living on the planet.

A. Owing to     B. According to    

C. In spite of    D. In case of

 He never hesitates to make _____ criticisms ______ are considered helpful to others.

A. so, that      B. so, as      C. such, that       D. such, as

Scientists think ______ helps some trees to conserve water in the winter.

A. when losing leaves  B. leaves are lost  

C. that losing leaves   D. the leaves lost