The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it. I have been _____ this problem since noon.
In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
All (was surprising) to find that he was not with them.
In the following question, out of the four alternatives, choose the word which best expresses the meaning of the given word and click the button corresponding to it.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase. One who is new to a profession