Which phrase or sentence is the best TO CORRECT the underlined part :
The work of mathematician Roger Penrose in the early 1970s, on the geometry of what call aperiodic tiles, turned out to describe the architecture of a previously unknown class of crystals.




A.what are called aperiodic tiles, turned out to describe
B.what is called aperiodic tiles, describe
C.aperiodic tiles, describing
D.aperiodic tiles, it turned out to describe

used / tea / my / to / drink / parents / after / dinner.




A.My parents used to drink tea after dinner.
B.My parents used to drink after dinner tea.
C.My parents used to dinner after drink tea.
D.My parents used to drink dinner tea after.

The phrase "the king of wines and wine of kings" means ______.




A.Champagne is the best wine of kings.
B.Champagne is the king that drinks lots of wine.
C.Champagne is the best wine and is made for kings
D.Champagne is the best wine made by kings.

The beach is always crowded at this time of the year. There ______ to put your towel down!




A.are no rooms
B.are no room
C.is no room
D.is room

She's finished the course, ______?




A.isn't she
B.hasn't she
C.doesn't she
D.didn't she

I'm worried about ______ on so much work.




A.she taking
B.she takes
C.her taking
D.her to take

______(30)




A.before
B.when
C.as soon as
D.after

People say that Carter was the best director of his time.




A.Carter is said to be the best director of his time.
B.Carter is said to have been the best director of his time.
C.It was said that Carter was the best director of his time.
D.Carter was said to have been the best director of his time.

___________(17)




A.Detachedly
B.Separately
C.Privately
D.Individually

Pick out the word that has the stress differently from that of the other words.




A.renovation
B.eliminate
C.irrigation
D.economic