The scientists were waiting to see the problem _______.
| A．settle | B．settled | C．to settle | D．settling |
After five hours' drive, they reached __________ they thought was the place they'd been dreaming of.
| A．that | B．where | C．which | D．what |
He has given us a suggestion __________ we shouldbuy a cottage in the country with the money we have saved.
| A．when | B．where | C．what | D．that |
There's no __________in the way they do their accounts(记账).
| A．approaches | B．means | C．method | D．ways |
There are too many difficulties for us __________. Wereally don't know __________ to do.
| A．to deal with；how |
| B．to do with；how |
| C．to deal with ； what |
| D．to do with ； what |
You'll find taxis waiting at the bus station __________ you can hire to reach your host family.
| A．which | B．where | C．when | D．as |