I failed in the examination last term and only then ____ the importance of studies.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |
Yesterday, Jane walked away from the discussion. Otherwise, she ______something she would regret later.
| A．had said | B．said | C．might say | D．might have said |
----Would you mind if I turned off the air conditioner?
----______. It makes no difference to me.
| A．Never mind | B．Not at all | C．Sure, go ahead | D．Why not? |
If ______ in wet sand, the vegetables can ______ fresh for a long time.
| A．being buried; remain | B．buried; remain |
| C．buried; be remained | D．burying; remain |
There is no such place ______ you dream of in this world.
| A．that | B．what | C．which | D．as |
----When can we go to visit you?
---- Anytime you feel like ______.
| A．one | B．it | C．that | D．so |