请你选出下列划线单词的汉语释义。（每题2分共10分）
(1)He often goes to other countries.
A.通常 B.经常 C．非常
(2)We should study hard and stay healthy , too.
A.仍然 B.开始 C.保持
(3)He is a businessman .He often goes to other countries.
A．商人 B.校长 C.渔民
(4)He goes to work by bike.
A．自行车 B.骑自行车 C.乘…
(5)We should study hard ,too.
A.书房 B. 学生 C.学习