—Will they send their homework _____ the teacher _____ email?
—Yes, they will.
| A．to , by | B．at , with |
| C．for , by | D．by , to |
--Mary,would you like to visit the Science Museum with me?
---_______,but surfing the net seems more interesting.
| A．I’d love to | B．That’s right |
| C．You’re welcome | D．No problem |
---I feel tired and sleepy.
---Why not stop_____?
| A．to relax | B．relaxing |
| C．resting | D．to work |
She jumps _____of us four.
| A．far | B．farther |
| C．farthest | D．further |
Lingling comes ______than any other student in her class every day.
| A．very earlier | B．much earlier |
| C．early | D．more earlier |
_______is really difficult for them_______the mountain.
| A．This,climbing | B．This,to climb |
| C．It,to climb | D．It,climbing |