The old couple has two children, __________ able to come to see them when they feel lonely, however.
| A．both of them are | B．neither of them are |
| C．none of whom are | D．neither of whom |
There are countless ________ leaves as if they were a red blanket_______ the ground.
| A．fallen; covering | B．falling; covered |
| C．fallen; covered | D．falling ; covering |
he has been working so hard . __________ he could answer such a difficult question.
| A．No wander | B．No wonder | C．why | D．because |
Holmes walked swiftly into the garden , ______________ by Doctor Watson.
| A．following | B．followed | C．was followed | D．to be followed |
The _________ on his face was kind of strange, when I told him the news.
| A．appearance | B．looking | C．expression | D．description |
The young mother walked off, leaving the little boy ___________ in the room.
| A．cry | B．crying | C．cried | D．to cry |