So difficult _____ it to adjust to an English-speaking environment that he determined to learn English hard.
| A．he has felt | B．has he felt | C．he did feel | D．did he feel |
The refugees left to avoid __________.
| A．to get bombing |
| B．to get bombed |
| C．getting bombing |
| D．getting bombed |
She tried her best __________ the same mistakes like this, but she failed.
| A．avoid to make |
| B．to avoid making |
| C．to avoid to make |
| D．avoid making |
He is __________ failure as __________ English teacher.
| A．a;the | B．a;an | C．the;an | D．the； the |
We give dogs time, space and love wecan spare, and __________，dogs give
us their all.
| A．in all | B．in fact | C．in short | D．in return |
__________ in London, he was eager to see the Big Ben.
| A．Upon his arrived |
| B．Once his arrival |
| C．The moment he arrived |
| D．As soon as arrived |