Here is the knife. You can ask your mother ___the apple for you.
| A．cut | B．cuts | C．to cut | D．cutting |
When the teacher ______ how to do the experiment, the bell rang.
| A．explains | B．will explain | C．was explaining | D．is explaining |
I ______ my mind to study harder since I visited the Shanghai Supercomputer Centre.
| A．am making up | B．have made up | C．made up | D．had made up |
As a father, Einstein was just as ______ as any other father in the world.
| A．kind | B．kinder | C．kindest | D．the kindest |
The cable Internet seems ______ than I expected.
| A．quick | B．quicker | C．quickly | D．more quickly |
When you’ve learnt English, you’ll find it a bridge to so much ______.
| A．knowledge | B．tradition | C．idea | D．method |