The loss of ability in the mother tongue is mainly caused by the use of electronic devices and a lack of attention to culture.
| A．widespread | B．visual | C．ridiculous | D．precious |
There is no possibility, I guess,________ our exam will be put off.
| A．what | B．Which | C．that | D．whether |
Professor Smith, along with his assistants, _______ on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
I have $20 000 and I need $25 000,but my parents have promised to _______ the difference.
| A．work out | B．come up | C．give out | D．make up |
It was a pity that the great writer died _______ his works unfinished.
| A．for | B．with | C．from | D．of |
After _______ absence of 10 years from his hometown, Mr. Li doesn't know _______ great changes have taken place there.
| A．an;/ | B．an; the | C．the; a | D．/;the |