______ is mentioned above that the number of the students in senior school is increasing.
| A．Which | B．As | C．That | D．It |
What ______ the doctors most was that they could not find the cause of the disease.
| A．astonished | B．puzzled | C．surprised | D．amused |
Elise remembers many things exactly as if it ______ yesterday.
| A．was happening | B．happens | C．has happened | D．happened |
Few houses in the village were left ______after the earthquake.
| A．to stand | B．stand | C．standing | D．stood |
It was so dark in the cinema that I could hardly ______ my friends.
| A．turn out | B．bring out | C．call out | D．pick out |
Those who are ______ their present situation will surely make no more advance in life.
| A．content to | B．satisfied of | C．pleased to | D．content with |