What do you think made the girl so glad—_____a beautiful necklace.

Determined not to fall behind, Alex now spends ________ as he used to on physics, his weakest subject.

.He tried________to persuade his friends to travel with him, so he traveled alone

So you didn’t say hello to her last night?-Well，I stopped and smiled when I saw her，but she________me and walked on.[ ]

Interest is as vital to learning as the ability to understand, even ________ so.