It was quite a long time ______ he really realized the serious situation.
| A．since | B．when | C．after | D．before |
In the near future, China will increase supply of smaller houses, to help low-income families to buy houses of their own.
| A．aims | B．being aimed | C．aiming | D．having aimed |
All the parents in Mianyang admire Nanshan Middle School the teachers are treating their students like friends.
| A．why | B．where | C．that | D．which |
People in Nome all had diphtheria, a disease that spreads very fast. If ________, it would produce a powerful poison that would kill the patient.
| A．untreating | B．to untreat | C．untreated | D．untreat |
—Was the label ________your luggage?
— No,it wasn’t.
| A．attached to | B．attach to | C．attaching to | D．attached |
they speak their own kind of English.
| A．Down under | B．Under down | C．Down below | D．Above down |