摘要：21．You’d better go and ask Mr Brown．He know how to use the computer. A．can B．may C．would D．could
网址：http://m.1010jiajiao.com/timu_id_1363247[举报]
You'd better go and ask Mr. Brown. He ________ know how to use the computer.
[ ]
|
A ．may |
B ．would |
|
C ．could |
D ．can |