With the mid-term examination approaching, students should ______ to stay energetic.

 The patient was in bad need of operation but there was no guarantee(保证) that she would survive the anaesthetic (麻醉剂), which made the doctors on the horn of a __________.

The lost watch was found in David’s bag, and as a result, he was _____ with theft.

The natural beauty of Mount Tai _______millions of tourists from all over the world every year.

We were supposed to move into our new classroom building at the beginning of this month，but things didn’t ________ as planned.