He found the manager _____ by letters and papers and _____ very worried.

The dangerous virus ____ in the next few weeks in the laboratory can cause fatal diseases.

Jane has been so ______ in getting used to everything that she hasn’t had time for social activities.

Though trying really hard, they acknowledged ____ at last.

A serious earthquake struck the village, __________ many people homeless.

______ more effectively in the future, many people equip themselves with further education.

After________ by the police for several days, the robber had to give in. 

—What is your plan for the holiday?—I’d like _______the days with my family ________climbing. 

Although a teenager, Yuanyuan could resist ________ what to do and what not to do.

I would sooner ________ the chance, which is not easily taken, than ________ my friend.

Television lets us see history in the making. We can watch sports, political debates, trials and even wars ________．

___ comfortably in his armchair, the old man enjoyed the light music over the radio with his eyes half ___ .

Alibaba has become China’s largest online commercial company, _____ a profit of 1.47 billion yuan in 2010.

---Why do you look so upset?---There are so many troublesome problems ____.

As the night is falling, a long queue stood at the bus stop, nervously expecting _______ .

_______ not to drive after drinking, some drivers are still trying their luck, which is really dangerous. 

Mark often attempts to escape  _______  whenever he breaks traffic regulations.

We regret __________ you that we have offered the job to someone else. 

--- What made Julia so unhappy? --- ________ her new bike.

Witnesses also say they saw Justin ____ towards his house at 10.45 p.m.