Welcome to the Science Museum, everyone! This stone axe _______ in South Africa and
experts can’t be exactly sure about its use.
| A．had been found | B．was found | C．has been found | D．would be found |
The river,____are covered with trees, is very long.
| A．which banks | B．of which banks |
| C．whose the banks | D．the banks of which |
. He is rather difficult to makefriends with, but his friendship, ____, ismore true than
anyother.
| A．once gained | B．when to gain | C．after is gained | D．while gaining |
—Did you enjoy yourself at the party?
—Sorry to say Ididn’t. It was____a meeting than a party.
| A．much of | B．more like | C．less of | D．more or less |
—Have you known each other for long?
—Not very long,____we started to work in the company.
| A．after | B．before | C．when | D．since |
The changes in our chemistry lab will cost quite a lot,____they will save us money in
The long run.
| A．or | B．since | C．for | D．but |