--- I hear you have an experience in the Roya1 Air Force. Is that true？
--- Yes. I in the Royal Air Force for six years.
| A．served | B．had served | C．joined | D．have joined |
When you rewrite the paragraph, I advise you to leave out __________ is thought unnecessary or misleading.
| A．what | B．that | C．those | D．which |
— No wonder you caught a cold. You __________ out last night without a coat.
— I know how silly I was.
| A．should have gone | B．shouldn’t have gone |
| C．can’t have gone | D．mustn’t have gone |
---Are you still busy?---Yes, I ____ my work, and it won’t take long.
| A．just finish | B．am just finishing |
| C．have just finished | D．am just going to finish. |
The wrong you have done him is terrible, ___ I think, you should make an apology to him．
| A．which | B．what | C．that | D．for which |
____________in his school that many of his fans want to get close to him.
| A．So is he popular | B．So popular is he |
| C．So popular he is | D．So he is popular |