The teacher taught us to find a planet in the solar system in his last lesson, ________ everything through jokes.
| A．having explained | B．explained |
| C．to explain | D．explaining |
He 20 dollars for his old bike the other day.
| A．paid | B．took | C．spent | D．offered |
. It’s nearly seven o’clock. Jack be here at any moment. ="soon" “很快”
| A．shall | B．need | C．should | D．can |
A dark blue design will not on a blackboard.
| A．clear up | B．go up | C．show up | D．pick up |
---I hear you’ve got a set of valuable Australian coins, I have a look?
---Yes, certainly.
| A．Do | B．May | C．Shall | D．should |
It is much easier to talk about social change than to .
| A．bring it on | B．bring it about | C．bring it up | D．bring it out |