________ the police thought he was the most likely one，since they had no exact proof about it，they could not arrest him.
| A．Although | B．As long as |
| C．If only | D．As soon as |
Our house is on the top of the hill, and in winter the winds be pretty cold.
| A．must | B．ought to | C．can | D．need |
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 |