I don’t think Jim saw me ; he ______ into space .
| A．just stared | B．was just staring | C．has just stared | D．had just stared |
Not until we left our school how warm it was there.
| A．had we realized | B．did we realize |
| C．have we realized | D．realized we |
Ms. Romero is the first person known with Ebola outside of Africa.
| A．to infect | B．to be infected |
| C．infecting | D．to have become infected |
The university graduates from ordinary families are often left with nothing but diplomas， those from wealthy ones can "gnaw" （啃老）on their parents' money and networks to get ahead.
| A．while | B．when | C．which | D．Although |
There’s a note to the door when the shop will open again.
| A．pinned; said | B．pinning; said |
| C．pinned; saying | D．pinning; saying |
There’s a note to the door when the shop will open again.
| A．pinned; said | B．pinning; said |
| C．pinned; saying | D．pinning; saying |