Câu hỏi: The bicycle was moving so fast that its rider could not ______ an accident.

A. leave

B. avoid

C. miss

D. overtake

Câu 1:  This ____ is not big enough to cut down a tree.

A. axe

B. hammer

C.  screw

D. knife

Câu 2: My mother takes care ............... sick children.

A. about

B. in

C. at

D. of

Câu 3: The room was so quiet that she could hear the _____ of her heart.

A. beating

B. tapping

C. knocking

D. striking

Câu 4:  The ball ______ two or three times before rolling down the slope.

A. bounced

B. sprang

C. leapt

D. skipped

Câu 5: He has adopted three orphans ______ his own six children so that, all together, he has nine children to provide for.

A. besides

B. except

C. beside

D. in place of

Câu 6: The two scientists disagreed and a _______ argument developed.

A. wet

B. bitter

C. salty

D. sour