Modern forms of transportation and communication have done much to ______ the isolation（隔离）of life in Alaska．
| A．break down | B．break out | C．break into | D．break through |
_______ is well known, _______ Hong Kong returned to China on July 1st, 1997.
| A．It, that | B．As, / | C．As, as | D．It, which |
Some friends tried to settle the quarrel between Mr and Mrs Smith without hurting the feeling of _______, but failed.
| A．none | B．either | C．all | D．neither |
Jane hopes to become a friend of _______ shares her interests.
| A．whomever | B．anyone | C．whoever | D．no matter who |
_______ leaves the room last ought to turn off the lights.
| A．Anyone | B．The person | C．Whoever | D．No matter who |
—Li Lin is very bright and studies hard as well.
—It’s no ______ he always gets the first place in any examination.
| A．question | B．doubt | C．problem | D．wonder |