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 21st 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