John is very lazy. He falls ______ behind in his studies.
A. very B. far C. more D. still
Compared with his sister, Jerry is even more to, and more easily troubled by , emotional and relationship problems.
A. sceptical B. addicted C. available D. sensitive
—Must I turn off the gas after cooking?
—Of course. You can never be careful with that.
A. enough B. too C. so D. very
Mr. Smith owns ________ collection of coins than anyone else I have ever met.
A. larger B. a larger C. the largest D. a large
Although she did not know Boston well, she made her way __ to the Home Circle Building.
A. easy enough B. enough easy C. easily enough D. enough easily
What a table! I’ve never seen such a thing before .It is________ it is long.
A．half not as wide as B．wide not as half as
C．not half as wide as D．as wide as not half
