In fact, it has one-third of the world’s fresh water, and much of ___ is in the Great Lakes.
| A．it | B．them | C．which | D．what |
It is now generally believed that a good teacher should be ______ to his/her students.
| A．convenient | B．adequate | C．accessible | D．suitable |
After losing one of his legs in the accident, we can imagine that he will have a lot of difficulties to overcome in the years ______.
| A．following | B．followed | C．to be followed | D．to follow |
. He is smart, handsome, considerate and humorous, ______, I can’t speak too highly of him.
| A．in particular | B．at the same time | C．in a word | D．on the other hand |
After _____ seemed an hour or so, we were able to enter the pavilion.
| A．it | B．when | C．which | D．what |
I had never expected _____ such a big audience there.
| A．it to be | B．there being | C．there to be | D．there to have |