Our English teacher devoted herself____ to her teaching and it earned her a good 
reputation in our school．
| A．strongly | B．extremely | C．entirely | D．freely |
Was it from the lake ________ he often went fishing ________ he saved the drowning girl?
| A．that; that | B．where; where | C．where; that | D．that; where |
I have ________ French. What about you?
| A．many difficulties to learn | B．a few troubles in learning |
| C．quite a little difficulty to learn | D．a great deal of trouble learning |
I ________ with my grandma because my parents have gone abroad for further study.
| A．stayed | B．am staying | C．have stayed | D．was staying |
How can they learn much ________ they spend so much time playing computer games?
| A．although | B．when | C．till | D．until |
Cars do cause us some health problems, in fact, far more serious ________ than mobile phones do.
| A．one | B．ones | C．it | D．those |