_______ almost all our time to our schoolwork in the past three months, we have almost no time for fun and play．
| A．Having devoted | B．Devoted |
| C．To devote | D．To have been devoted |
---John has got a very good job in the government .
---_______ he looks so happy.
| A．No, doubt | B．No wonder | C．That’s because | D．It’s natural |
On________ second thought, I decided to give him________ second choice.
| A．a ; a | B．a ; the | C．the ; a | D．the ; the |
“39 Steps”is one of the most exciting films_________ directed by my brother.
| A．which were | B．which was | C．that was | D．that were |
----Have you finished the book ?
----No, I’ve read up to _______ the children discover the secret cave. .
| A．which | B．what | C．that | D．where |
Living in the central American desert has its problems, ________ obtaining water is not the least .
| A．of which | B．for what | C．as | D．whose |