—Sorry, do you mind if I smoke here? —Yes,
#4877
A
you could
B
go ahead
C
I do
D
my pleasure
推荐题目
— Why are you so popular with your students?— As a teacher, I seldom give my students so difficult a problem ____ they cannot work out.
#4683
A
as
B
that
C
if
D
which
Country life provides him with peace and quietness, ______ what he can’t enjoy living in cities.
#4665
A
that is
B
which is
C
what
D
is for which
Mr. Smith went to a bookstore, where a lot of books were .
#4588
A
produced
B
invented
C
housed
D
disappeared
—Tom came back home the day before yesterday.— Really? Where __________ at all?
#4818
A
had he been
B
has he been
C
had he gone
D
has he gone
— Is the man our sales-manager? — No, it ______ not be him he never plays cards.
#4974
A
must
B
can
C
will
D
may