-- Has your elder brother returned from Africa yet?-- Yes, but he _________ here for only three days before his company sent him to Australia.
- Do you have______ready for the opening ceremony. Ted? - No. we still need some volunteers.
- You've got your flat funished. haven't you? - Yes. I______some used furniture and it was a real bargain.
Some researchers believe that there is no doubt______a cure for AIDS will be found.
Nowadays more people are advised to arrange for insurance_____they need medical care.
Last Monday, I was asked to give the new students a test____ their English level.