1. 别向窗外看，你应该盯着黑板。

Don’t look out of the window, and you should 　　　　　　　　　　　　　　　　　　　　the blackboard.

5. Not 　　　　　(hear) from her son for a long time, the mother worried a great deal.

4. The fish can eat a person in two minutes, 　　　　　(leave) only bones.

3. The brick building,　　　　 　(shape) like an “E”, was built in the 1960s.

2. On 　　　　(see) the plane 　　　　　(come) towards me, I dashed for cover.

1. Don’t hesitate 　　　　　(turn) to us if you are in difficulty.

4. Bill was doing a lot of physical exercise to build up his 　　　.

3. Although already over fifty, Mr Wang is full of 　　　　　　and quick-witted.

2. The surgeon did everything in her 　　　　　　to save him.

1. The 　　　　　of the explosion broke all the windows in the building.