He found very difficult the math problem.
A.that;to solve | B.this;solving |
C.it;to solve | D.it;solving |
I never doubt ________ his advice is of great _________ to me.
A.that; helpful | B.if; help |
C.whether; helpful | D.that; help |
—Is David coming by train?
—He should, but henot. He likes driving his car.
A.can | B.need | C.must | D.may |
US First Lady Michelle Obama encouraged students to study abroad in herwhen visiting Peking University on March 22, 2014.
A.story | B.speech | C.letter | D.diary |
Be quick, ___________ we’ll be late for the meeting.
A.and | B.but | C.so | D.or |
________ useful advice you gave us!
A.How a | B.What an | C.What | D.How |