I study math by ____ lots of exercises.
A. did B. doing C. do
It’s raining now. Please take _______ umbrella.
| A．a | B．an | C．the | D．不填 |
You are tired. Why________(stop) have a rest?
| A．stop to | B．not stop to |
| C．not stop | D．don’t stop to |
I’m looking forward __________(see) you again.
| A．to seeing | B．to see |
| C．for seeing | D．seeing |
–Your___________(speak) English is very good. –Thank you.
| A．speak | B．speaking |
| C．to speak | D．spoken |
The girls asked if they_________(take) some food and drinks with them.
| A．would take | B．take |
| C．takes | D．will take |