来两条语法狗
1. _______ tutorials and other resouces 不知道该选a还是e
A. a lot of
B. abundance of
E. plenty of
2. A learned lesson from B, A wrote book with C, ______
A. both encouraged A to
B. who both encouraged A to
c. whom both XXXXX
3.一种 substitude可以在blood not available的时候使用 may后面接maybe perhaps应该是多余吧？剩下两个选项后面分别是quickly和fast
substitude X, may______________
A. maybe XXXXXXXXXXX
B. perhaps XXXXXXXXXXXXXXXX
C. perhaps XXXXXXXXXXXXXXXX
D. be usable for the blood of right type when blood is not available, or at least not fast enough
E. be usable for the blood of right type when blood is unavailable, or at least not quickly available