The invention of the typewriter was a great_______ to communication and printing.
| A．contribution | B．devotion | C．revolution | D． construction |
–Did you _____ your sister when you were in Shanghai?
--No. But I _____ my uncle’s during my stay there.
| A．call on, called on | B．call at, called at |
| C．call on, called at | D．call at, called on |
–How does his explanation _____ to you?
--Well, quite reasonable and acceptable.
| A．look | B．feel | C．come | D．sound |
The little girl cried _____ she saw the dog.
| A．every time when | B．at each time | C．immediately | D．at the moment |
On Christmas Day people walk about in the street _____ their best.
| A．and wear | B．and put on | C．dressed in | D．to wear |
When a person wants to operate the computer, _____ read instructions first.
| A．you will have to | B．one must |
| C．they will have to | D．he has to |