The teacher as well as the students _______ planting trees.
| A．are | B．is | C．has | D．have |
I recognized him __________ he appeared on the stage.
| A．the moment | B．the moment when |
| C．when the moment | D．at the moment when |
In the corner of the room __________.
| A．sat a cute boy |
| B．a cute boy sat |
| C．is seated a cute boy |
| D．a cute boy is sitting |
I __________ agree with you yesterday but today I'm sorry.
| A．didn't | B．does | C．do | D．did |
The lawyer was looking through the documents __________ immigration laws.
| A．related with | B．related to |
| C．relates to | D．both B and C |
A (n) __________ of scientists are looking into the matter and have realized a certain __________ of time is to be spent.
| A．number; amount | B．number; amounts |
| C．amount; amount | D．amount; number |