问题

Do you want to be healthy–________.Smiling can help you stay healthy.

A:Smile
B:Smiling
C:Smiles
D:To smile;

正确答案是：

同类题型

We can still do the work better with_____ time and______people.

James with the Greens _________ the White Tower Park if it_________ tomorrow.

We haven’t seen each other for many years, so I am quite _____ the plan that we have a party this weekend

Would you mind my using your computer —______

The wing of theplane in mid-air and the plane crashed.