If you want to get good grades, ____________, you should listen to the teacher _________ in class.
| A．at first; careful | B．first of all; carefully |
| C．for the first time; careful | D．first of; carefully |
—We're doing a lot to protect our environment, but it is not good enough. —So we should try______ to look after it.
| A．hard | B．harder | C．hardest | D．hardly |
How kind you are! You always do what you can_________me.
| A．help | B．helping | C．to help | D．helps |
The doctor told me to eat more_________ because it's good for my health.
A.orange B. vegetables C. ice cream d. fish
I'm now in New York with my friend Jenny. We_________ by plane on Monday.
| A．arrive | B．arrived | C．are arriving | D．will arrive |
Harriet is lost and her parents are really________her.
A.interested in B. afraid of C. busy with d. worried about