If it ____for the snow, we____ the mountain yesterday.
Yesterday I had a word with the CEO of the company, ___ who used to teach at Beijing University.
In our university there are several big parks ____we students can go to enjoy the beautiful scenery.
Jenny works hard as usual and it has___.She got the first in the final exam again.
No.50 High School is as new as No.48 High School.____, it is more beautiful.
We students got lost in the forest and decided to remain ____we were and waited for the guide