I know you’re planning to travel this summer, but do you know __?

A. On duty

B. On business

C. On board

D. On the spot

A. Highly

B. Well

C. Greatly

D. enough

A. After all

B. All over

C. Above all

D. First of all

A. Lasting

B. Dramatic

C. Powerful

D. imaginary

A. Hold

B. Follow

C. Stick

D. keep

A. Scene

B. Sight

C. View

D. look

A. At work

B. On sale

C. In practice

D. Out of sight

A. Straw

B. Space

C. Stress

D. surface

A. The; the

B. /; /

C. The; /

D. /; the

A. Begin

B. Will begin

C. Have begin

D. begin