It’s necessary _________ us _________ more trees in spring every year.
| A．of; to plant | B．for; to plant |
| C．of; planting | D．for; planting |
I will call you as soon as I ______ to Japan.
| A．get | B．got | C．will get | D．have got |
Avatar is an interesting film. I ______ it twice already.
| A．see | B．saw | C．have seen | D．will see |
— What are the kids doing?
— They ______ flowers in the garden.
| A．water | B．watered | C．have watered | D．are watering |
She ______ to her feet and ran out of the room just now.
| A．jumped | B．jumps | C．was jumping | D．will jump |
Ask John ______ here at 7 pm tomorrow.
| A．come | B．coming | C．came | D．to come |