—Tom came back home the day before yesterday.
— Really? Where __________ at all?
| A．had he been | B．has he been |
| C．had he gone | D．has he gone |
It was because of the bad weather _______ the football match had to be put off.
| A．so | B．so that | C．why | D．that |
Tom always prefers _________ rather than _______ a bike.
| A．walk; ride | B．walk; riding | C．to walk; ride | D．riding; to ride |
The doctor insisted that I _________ more fruit and vegetables.
| A．took | B．had taken | C．would take | D．take |
He appears to be strong and healthy but, __________ he suffers from a weak heart.
| A．as a matter of fact | B．what’s more | C．accordingly | D．no wonder |
A number of books in the library ____ been stolen so that the number of them ____ smaller than before.
| A．have, is | B．has, is | C．has, are | D．have, are |