Since your mother is often ill, remember to keep a first-aid medicine box ___ all the time.
A.close at hand
B.in hand
C.in short
D.at great large
正确答案是A
Since your mother is often ill, remember to keep a first-aid medicine box ___ all the time.
A.close at hand
B.in hand
C.in short
D.at great large
正确答案是A