The pen I____ I _____is on my desk, right under my nose.
| A．think; lost | B．thought; had lost |
| C．think; had lost | D．thought; have lost |
We have been excavating layers of ash almost six metres thick, which suggests that they________the fire burning all winter.
| A．should keep | B．might have kept | C．should have kept | D．might keep |
---Did you meet with the famous space hero, Yang Liwei?
---_____ I had come here earlier.
| A．If only | B．Only if | C．But for | D．Despite |
. --- Steve has got the first prize in the maths contest.
--- ______ is no wonder that he looks so happy today.
| A．It | B．That | C．This | D．There |
--- Has your brother returned from America yet?
--- Yes, but he ______ here for only three days before his company sent him to Africa.
| A．has been | B．was | C．will be | D．would be |
The brave soldier was willing to risk ______ his life rather than ________ in to the enemy.
| A．lose; give | B．losing; giving | C．losing; give | D．lose; giving |