Directions: Beneath each of the following sentences the...
单项选择题Directions: Beneath each of the following sentences there are four choices markedA,
B, C and D. Choose the one answer that best completes the sentence.
Example:
The wild flowers looked like a soft orange blanket the desert.
A. covering B. covered C. cover D. to cover
The answer is A.
21. Listen! Do you hear someone for help?
A. calling
B. call
C. to call
D. called
A.
Example:
The
B.
A.
C.
21.
