The teacher _______some old friends on his vacation trip to Paris.
| A．dropped by | B．dropped in | C．droped by | D．droped in |
He would not mind extra work for the student’s union because he has all the good .
| A．doing, quality | B．to do, quality |
| C．doing, qualities | D．to do, qualities |
Edison was imaginative enough new ideas .
| A．to come up with | B．come up with |
| C．comes up with | D．coming up with |
My mother is good at cooking. You don’t need to worry about not .
| A．having a supper | B．have supper |
| C．to have supper | D．having supper |
Do you know how many students in the classroom now?
| A．is there | B．are there |
| C．there is | D．there are |
—How many elephants did you see?
— .
| A．No one | B．None |
| C．Not many ones | D．No many |