— I can’t find my dictionary anywhere.
— You _____ have lost it while studying in the library.
| A．can | B．may | C．would | D．should |
Although the first part of the book is easy， the rest ______.
| A．has proved difficult | B． are difficult |
| C．is supposed difficult | D．have been found difficult |
----Where are you now?
----Well, I have arrived at _______ is called “the West lake”.
| A．which | B．that | C．where | D．what |
If you want to improve your oral English, you’ll first have to _______yourself of those shortcomings.
| A．remove | B．cut | C．reduce | D．rid |
It was ________ he came back from Africa that year _________ he met the girl he would like to marry.
| A．when; then | B．not; until |
| C．not until; that | D．only; when |
Though the professor tried his best to explain the difficult question, the students still looked _____.
| A．confusing | B．being confused |
| C．to confuse | D．confused |