The smoggy weather has made us realize terrible problems we are laced with．
#66025
A
how
B
what
C
that
D
which
推荐题目
For more information about Cambridge, _____ our website at www. Cambridge, org.
#66041
A
visit
B
visiting
C
to visit
D
visited
Bob, ___ these brochures among the tourists before you leave, will you?
#65936
A
having distributed
B
to distribute
C
distribute
D
distributing
I know one of the things _____I was unsure about was _____ hard it would be to climb this mountain.
#65979
A
that; how
B
what; how
C
which; what
D
/; what