He wrote a lot of novels, ______ regarded as masterpieces.
| A．dozens of them | B．dozens of which |
| C．a dozen of which | D．dozen of that |
Canada is a country many different nationalities as well as one with foreign immigrants the majority of its population.
| A．making up of; occupied with | B．consisting of; making up |
| C．made up of; consists of | D．consisted of; taking up |
--- Has your father returned from Africa yet?
--- Yes, but he here for only three days before his company sent him to Australia.
| A．was | B．has been | C．will be | D．would be |
There are varieties of programs in the TV station to many different types of interests and tastes among the public.
| A．cater to | B．appeal to | C．apply to | D．adjust to |
The idea for the new plan came to his mind, to his experiment in the lab.
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
It shocked us all that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
| A．if that | B．that if | C．if | D．that |