I will never forget the days _____ we spent together in the country.
I will never forget the days _____ we worked together in the country.
| A．on that | B．where | C．that | D．when |
All possible means _______to rescue the miners trapped underground so far.
| A．have been tried | B．has been tried | C．is being tried | D．is to be tried |
– She is a little selfish. _______, she only cares about herself.
-- No wonder she is so unpopular.
| A．What’s more | B．In other words |
| C．By the way | D．On the contrary |
_______ their service, the workers of the hotel are active in learning English.
| A．Improving | B．To improve |
| C．Improve | D．Having improved |
It was about 600 years ago _____ the first clock with a face and an hour hand was made .
| A．that | B．until | C．before | D．when |
—Which of these two electronic dictionaries do you like better ?
—_____ . They are both expensive and of little use .
| A．Neither | B．All | C．Both | D．None |