Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
Madam Curie won two Nobel Prizes for her scientific .
| A．observation | B．achievement | C．determination | D．consideration |
The island is about 1,000 feet the coast.
| A．on | B．to | C．from | D．off |
The hunter his gun against the tree and down for a rest.
| A．laid, lay | B．lay, laid | C．laid, lied | D．lied, lay |
These problems are different from each other, so they should be dealt with .
| A．totally | B．simply | C．separately | D．extremely |
－My teacher punished me this morning.
－Why? You’ve done nothing wrong, _________ I can see.
| A．as long as | B．as well as | C．as far as | D．as soon as |