题干
－Have you finished _______ your composition? It is time to hand it in.
－Not yet, I _______ it the whole morning, but it is so hard that I only finished half of it.
－Not yet, I _______ it the whole morning, but it is so hard that I only finished half of it.
| A．writing; had written | B．write; wrote |
| C．written; was written | D．writing; have been writing |
答案(点此获取答案解析）
