---I’ll ask the teacher about past tense. I’m very puzzled about it.
--- That is just _____ most of our classmates have doubt.
| A．what | B．why | C．where | D．how |
When it comes to a foreign language, he is not ________ quick a learner as his brother.
| A．very | B．too | C．so | D．rather |
________ advertisements are of great help, I don’t think we should entirely rely on them.
| A．Because | B．Since | C．Once | D．While |
Mo Yah was first known by many for Red Sorghum, which ________ into a famous film by director Zhang Yimou in I987.
| A．adapted | B．was adapted |
| C．had been adapted | D．would adapt |
Several professors from Peking University came to visit our school, to my surprise, one of ________ was my aunt.
| A．them | B．those | C．which | D．whom |
In the last decade, Chicago public schools ________ teaching of Chinese to serve 12,000 students.
| A．are expanding | B．have expanded | C．expanded | D．expand |