【推荐1】It’s unusual for ______11-year-old girl to find _______ UFO.

A．a; a

B．an; a

C．a; an

D．an; an

【推荐2】The wolf comes from Europe. It is _______ European wolf.

A．a

B．an

C．the

【推荐3】—Any phone calls for me while I was away?
—Yes, ______ Mr. Black called and said you would understand if you see ______ message he left.

A．the; a	B．a; the
C．the; the	D．a; a

【推荐1】Parents play ________ important role in our lifelong education.

A．a

B．an

C．the

【推荐2】There is _____   useful book. ___ useful book is on the desk.

A．a；A

B．an；A       C,an；The       D.a；The

【推荐3】—How long is________ quarter of a basketball match in NBA?
—It’s usually twelve minutes long and between ________second and third quarters there is a ten-minute break.

A．the; the

B．a; the

C．a; a

D．the; a

【推荐1】Jim failed twice, but he wanted to have __________ try.

A．a second

B．a third

C．the second

D．the third

【推荐2】He has failed ________ times, but he won’t give up any chance. He will try a ________ time.

A．third; four

B．three; fourth

C．third; fourth

【推荐3】Do you know how to learn English well as _________ second language?

A．a

B．an

C．the

D．/