—What about the student in your class, Mr. Wang?—The doctor said that ________ sleep caused him poor memory and poor concentration.
#95219
A
lacking of
B
lacked in
C
lacking
D
lack for
推荐题目
There are lots of places of interest _____ in our city.
#88580
A
needs repairing
B
needing repaired
C
needed repairing
D
needing to be repaired
______that blood diseases are going to continue, we’ll have to______ them. 
#93223
A
Assumed; doing research at
B
Assuming; do research on
C
Assuming; do research for
D
Being assumed; do research on