问题

kept his head _____ water when hebegan to learn swimming, but he raised his head now and then

A:over
B:below
C:above
D:Up

正确答案是：

同类题型

Whatworried the child most was ______ to visit his brother n hospital

None of us had expected the middle-aged engineer died __________ his design uncompleted

Parents play a role in _________their children.

“Remember not ______ your homework at home again,” said the teacher.

下列词语，解释全都正确的一项是(　　)