The little boy was so careless with his spelling that he often ________ letters from words.
| A．left out | B．left behind |
| C．left off | D．let alone |
I received a letter yesterday that my mother would come to our school.
| A．said | B．says | C．saying | D．to say |
—What do you think of his story in the forest?
— , I can’t believe it.
| A．Attractive | B．Obvious | C．Cheerful | D．Ridiculous |
—Have we water?
—Yes, . We’d better get some.
| A．run out of; we have run it out | B．run out of ; our water has run out |
| C．run out of; our water has been run out | D．run out; our water has run out |
Much new and high technology has been introduced from America, great increase in production of the company.
| A．resulting in | B．resulted in | C．leads to | D．having led to |
I find this treatment is very to my health.
| A．willing | B．illegal | C．beneficial | D．serious |