It is reported that there are various reasons _____more and more people feel depressed at this time of year.
| A．why | B．when | C．what | D．how |
| A．a; / | B．the;/ | C．a ; the | D．/; the |
When _________ an egg for the first time, the hen lay in the doghouse.
| A．lay | B．lying | C．laying | D．laid |
It is obvious __________ he has no chance to go to college.
A. that B. whether C what D. Which
From a _____ look in his eyes, I bet he didn't get the hang of the meaning of the poem.
| A．frightened | B．satisfied | C．puzzled | D．excited |
__________ you trust him, you may as well follow his advice.
| A．So that | B．Now that | C．Even if | D．Except that |