He is the person _______,I believe, has the ability to do this challenging job.
| A．who | B．whom |
| C．him | D．which |
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 |
— I’ve never seen you so rude!
— I _____ something I shouldn’t have, but I didn’t mean that.
| A．have said | B．had said |
| C．did say | D．was saying |