19、Exactly ____they did when at last they reached the sea remains a complete mystery.

A．that                            B．how                   C．which                  D．what

18、Some English scientists are identifying problems ____ technology in the 21^st century. If solved, the solutions could change the world.

A．facing                         B．faced                  C．being faced          D．having faced

17、He asked where she ____, but she didn’t respond.

A．had been                     B．was                    C．has been              D．is

16、The Japanese have ______ uneasy feeling about ________ increasing use of foreign words.

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

15、--- I had a hard time _____ this novel.

--- I share your feeling. Who can remember the names of over 100 different characters?

A．getting through            B．getting over         C．getting off            D．getting away

14、He seemed to be looking for the words ____ he could express his idea.

A．for which        B．with which          C．for that     D．with that

13、____ aware of the danger ahead, he took on the task without hesitation.

A．If      B．Though      C．Since        D．As

12、He walks and talks like he’s ____. But all of us know he’s nobody.

A．anybody            B．somebody C．everybody D．nobody

11、Many in the company doubted whether the new product could bring in ____ those sold.

A．as good as     B．as well as            C．as much as         D．as many as

10、----Why are you so frustrated?

----I’d like to make a call, but my cellphone is out of __________ again.

A．shape               B．order          C．date        D．balance