His writing is so confusing that it's difficult to make out ________ he is trying to express.
| A．what is it | B．what is it that |
| C．what is that | D．what it is that |
The second half of his voyage was __________ dangerous part, during which he sailed round the Cape Horn.
| A．more | B．most | C．the most | D．the more |
----How long can I keep the book?
----A week．You _____to return it by Monday．
| A．expect | B．will expect | C．are expected | D．will be expected |
Why don’t you bring ______ to his attention that you are too busy to do it?
| A．this | B．that | C．it | D．there |
There are few problems left I believe you can deal with them yourself．
| A．such; that | B．so; that | C．such; as | D．so; as |
----I heard that as many as 24 people were killed in the big fire.
----Yes,news came as surprise to us.
| A．a; a | B．the; / | C．/; a | D．the; a |