问题
Where is my reference book? It was here a moment ago.—Someone ______ it by mistake.
A:should have taken
B:must take
C:might take
D:must have taken
B:must take
C:might take
D:must have taken
正确答案是：
同类题型
Most of Frank’s books, usually with ______ pictures in each book, are for young children.
It is important to know about the cultural differencesthat cause problems
er if you’d mind me asking you somepersonal questions–no, not at all ____________
nacks and drinks, but they also brought cardsfor entertainment when they had a picnic in the forest