English teachers can always help the students _____.[ ]

Don’t worry about , mum. I’m old enough to look after .

He kissed his wife and then ______ goodbye _____ her when he left home.

How was your day off during the Qingming Festival?— Pretty good! We Xu Xiaoxuan’s former home.

Be careful. The ice is not thick enough ___________. — Thanks. I ___________.