----Do you know _____? ----Next Sunday.
| A．what will they do |
| B．where did they go |
| C．when they will come here |
| D．who they met |
All the children like the teachers ________ can understand them.
| A．who | B．which | C．what | D．whom |
---Why do the people decide ______ these days?
---Because there’s not much to do.
| A．visit | B．to visit | C．not visiting | D．not to visit |
I’d like to trek ______ the jungle.
| A．through | B．across | C．over | D．on |
Be sure ________ and tell me what happens.
| A．writing | B．wrote | C．writes | D．to write |
He is lazy. You can’t ________ him ________ his room every day.
| A．expect; to clean | B．expect; cleaning | C．show; to clean | D．suit; clean |