Question

Lucy fell asleep_______ she was listening to music.

A．before

B．while

C．a(chǎn)fter

D．a(chǎn)s soon as

Answer 1

B

詞義辨析。Before在……之前；while 當(dāng)……時(shí)候；after在……之后；as soon as一……就。根據(jù)she was listening to music用的是過去進(jìn)行時(shí)，所以選B。露西聽音樂時(shí)想睡覺。