1 . ________________ (不浪费时间), he went right to the core of the matter.（根据汉语提示完成句子）

2 . He spends two weeks with each client, d________ (to show or prove sth. clearly) the features and functions of the software. (根据英文提示单词拼写)

3 . ________ his task, he went home and found his house ________, so he had to call the nearby police station immediately.

A．Having finished; broken down	B．Finishing; broken into
C．Having finished; broken into	D．Finished; breaking down

4 . The additional weight puts a strain on the ducks’ muscles, ______ their wings to twist and drop open, and if ______ fast, they can lose the ability to fly.

A．causes; treated	B．causing; treated
C．causing; isn’t treated	D．causing; not treated

5 . ______ of what happened in advance, she stood in the meeting room, confused and awkward.

A．Not having been informed	B．Not being informed
C．Having not been informed	D．Have been not informed

6 . The child lay on her mother’s lap, ________ sweetly.

A．smiled

B．smiles

C．smiling

D．was smiling

7 . 考试成功后，他变得更加自信了。(v-ing作状语)
______________________, he became ______________________.

8 . He returned home, unexpectedly, _________ the concrete wall in the backyard torn _________ and replaced with a wooden fence.

A．to find; down	B．finding; apart
C．to find; apart	D．finding; down

9 . ________ the living condition in China at that time, they had no choice but ________ a living abroad.

A．To consider; earn	B．Considering; earn
C．To consider; to earn	D．Considering; to earn

10 .          hard, and you will finish this task,             a sense of success.

A．Working, experiencing	B．Working, experienced
C．Work, experiencing	D．Work, experience