挑战习题
1/5单选题
难度:

1.

Doing lots of listening practice is one of ___ best ways of becoming ___ good language learner.


A

the; the

B

the; a

C

不填; a

D

the; 不填

提示1:
PHA+QmVzdOaYr+acgOmrmOe6p++8m+aIkOS4uuS4gOS4quWlveeahOivreiogOWtpuS5oOiAheOAgjwvcD4=
正确答案:Qg==
PHA+QmVzdOaYr+acgOmrmOe6p++8jOWJjemdouWKoHRoZe+8m+aIkOS4uuS4gOS4quWlveeahOivreiogOWtpuS5oOiAhe+8jOesrOS6jOS4quepuueUqGHjgII8L3A+