2017年全年托福词汇题及标准答案(O)
299 |
oblige |
force |
300 |
observation |
finding |
301 |
obsolete |
out of date |
302 |
obtained |
gathered |
303 |
obvious |
clear |
304 |
occasionally |
sometimes |
305 |
on balance |
overall |
306 |
ongoing |
continuing |
307 |
optimal |
ideal |
308 |
optimal |
favorable |
309 |
optimum |
ideal |
310 |
ornamented |
decorated |
311 |
outbreak |
sudden increase |