In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.

A. the; /    B. a; an     C. a; /     D. the; an

The wild flowers looked like a soft orange blanket         the desert.

A. covering        B. covered           C. cover         D. to cover

In American there are more households(户主) with pets than ____ with children.

A. those   B. these   C. ones   D. that

Have you got any ______ to make?

A. impressions   B. comments    C. reactions      D. opinions

---What do you think has made Tom feel down?

    ---- ______ his seat in the election, I think.

A. As he lost       B. Lost     C. Losing         D. Because of losing

Mr. Harris apologized for the children ______ the lady _____ what they had done.

A. to; to   B.  to; for  C. for; to     D.  for; for 

I feel it is your husband who _________ for the spoiled child.

A. is to blame    B. is going to blame  C. is to be blamed   D. should blame

 -- The weather forecast says it’ll be fine tomorrow.

  --- ________, what about going hiking ?

A. If possible     B. If necessary                C. If so                  D. If not

---Students should devote most of their time to studying rather than playing computer games.                                                      

  ---________.No pains, no gains.

A. Extremely  B. Actually  C. Obviously  D. Exactly

Nathalie suggested the problem worth paying attention ______ at the meeting.

A. to be discussed             B. to been discussed

C. being discussed             D. be discussed