Ms Marsh was such a careless group leader that she ______ a very important detail when laying down the plan for the project.
| A．left behind | B．left aside | C．left out | D．left off |
teacher
| A．great | B．heavy | C．idea | D．mean |
youth
| A．feather | B．weather | C．thief | D．breathe |
value
| A．practice | B．base | C．grade | D．wash |
In my opinion, ______ seems easy at first often turns out to be difficult in the end.
| A．it | B．what | C．that | D．which |
Nowhere else in the world ______ a better place than this , I think.
| A．one can find | B．one can’t find |
| C．one has found | D．can one find |