. --- Did you often e-mail your family during the first year at university?
--- No. I was so busy meeting new people that I didn’t write to my family as I _____.
| A．ought to | B．should do | C．should have written | D．should have |
They will fly to Washington, ______ they plan to stay for two or three days.
| A．where | B．there | C．which | D．when |
It isn’t quite ___ whether the Tibetan antelope is still being hunted.
| A．certain | B．sure | C．safe | D．careful |
---Where’s the little elephant?
---It’s said it ___ in the hospital.
| A．was examined | B．will be examined |
| C．is being examined | D．has been examined |
She wondered what use she would _______ this chance.
| A．made | B．make about | C．make for | D．make of |
_____ learn more knowledge, the students stay at school on Sunday.
| A．In order to | B．So as to | C．In order that | D．So that |