The two girls are so alike that strangers find________difficult to tell one from the other.
A．it B．them C．her D．that
The manager had fallen asleep where he_______，without undressing.
A．was laying B．was lying
C．had laid D．had lied
Give yourself 10% of________is left for your work and let me have the rest.
A．which B．that C．what D．where
The school has developed an online system________ students can choose their own teachers.
A．which B．when C．that D．where
We should do what we have to do________ we can do what we want to do in the future.
A．so that B．in case C．for fear that D．now that
—Is that the small town you often refer to?
—Right, just the one________you know I used to work for years.
A．that B．which C．where D．what
