They ___swim across the river.A can both B both can C are both D _其他解答

They ___swim across the river.A can both B both can C are both D both are

人气：215 ℃　时间：2020-04-08 12:52:43

解答

A 因为若句中谓语动词包含情态动词或助动词时,both大多放在第一个情态动词或助动词之后.
can是情态动词,所以both放在它后面.