It is difficult for children to change their eating habit later in life.________，parents should encourage healthy eating from an early age.
| A．Otherwise | B．Therefore | C．Besides | D．However |
Dogs are kept to ______ the houses from thieves at night.
| A．guard | B．defend | C．protect | D．prevent |
Because of the accident, the road was ________ to traffic.
| A．shut | B．closed | C．turned off | D．ended |
---- What’s time by your watch?
---- My watch _______ five to two.
| A．says | B．speaks | C．tells | D．is saying |
When someone is in trouble, we should ________ a friendly hand.
| A．hold on | B．hold up | C．hold out | D．hold off |
---- What’s the matter?
---- Oh, sorry. I pressed the button by chance and _______ the alarm clock.
| A．set out | B．send for | C．sent off | D．set off |