Every camera we sell in our shop comes with a two-year _______ .
| A．guarantee | B．safety | C．evaluation | D．instruction |
Peterson used to work in a remote mountain village school, which is only on foot.
| A．reliable | B．accessible | C．available | D．convenient |
I would appreciate ______ very much if you help me with my English.
| A．it | B．that | C．this | D．you |
Only by practicing a lot _____ our English well enough to communicate with foreigners.
| A．we can learn | B．can we learn | C．learn we | D．we learn |
When she was in trouble, I did what I could to help her.my help, she wrote me a letter of thanks.
| A．In honor of | B．In case of | C．In terms of | D．In return for |
I don’t think the competition is failure, because it has offered us valuable experience for the next competition.
| A．不填；不填 | B．不填；a | C．a ; 不填 | D．a ; a |