According to the writer, long queues at counters are caused by A. difficulties in recruiting staff B. inadequate staffing arrangements C. staff being made redundant D. lack of co-operation st

“Why don't we go out for a walk?” said the boy.

=> My father suggested __________________________.

Điền giới từ: He gets a lot of gifts ________ Christmas.

Some of my _________ live in the city. (relate)

I was surprised when I discovered the truth (find).

=> _____________________________.

The writer argues that the quality of service is changing because __________.

You'd better not touch that switch. 

=> If _____________________.

Unless he improves his spelling, he won't get good grades. 

The fruit was expensive because it was imported. (Participial Phrases)