题目

Our class are in a low spirit, but I’m sure things will start to ______ in a week.   A. rise up       B. hold on    C. hang out      D. pick up   答案：D— Would you like to share your opinion with us? k+s-5#u  — Ok. Mary is studying harder than before, ____ everyone can see.        A．because    B．which       C．that   D．as