He burnt all the important documents____that they should fall into the enemy’s hands.
| A．in case | B．for fear | C．so | D．unless |
Much of his spare time __ learning how to fix radios.
| A．spends in | B．takes | C．is spent in | D．is taken to |
All the teacher taught at the last lesson seemed easy __.
A, to be understood B. to understand C. being understood D. understanding
Had we caught your meaning, we ___ you to repeat.
| A．would have asked | B．would ask | C．wouldn’t have asked | D．wouldn’t be asked |
The student ___ themselves in the meadow by the lake.
| A．sat | B．are sitting | C．were seated | D．seated |
They started __ late and miss the early bus.
| A．too much | B．very too | C．a little too | D．little too |