The door locks_____ when you leave the house, so you don’t have to remember to lock it.
| A．annually | B．particularly | C．actually | D．automatically |
More than one doctor _____ involved in the rescue that took place after the earthquake．
| A．was | B．is | C．were | D．are |
Some hard working students always keep a torch in their dormitories _____ there is a power failure．
| A．if | B．unless |
| C．so that | D．in case |
_____ in charge of two classes made Mrs．Li, head of Senior Grade 3, extremely tired．
| A．Leaving |
| B．Left |
| C．Being left |
| D．Having left |
Almost every teenager will experience a period in their life _____ they aren’t content with their parents．
| A．when | B．where | C．that | D．which |
Little did the teacher imagine that a student good at maths _____ have failed in the exam．
| A．might | B．should | C．need | D．would |