1 Travelling in big cities is becoming more (trouble)_______ every day. 2 Less publictransport is now available because of te (short) _____ of staff.

Phương pháp làm:
1. Để trả lời câu hỏi này, ta cần tìm từ đồng nghĩa với "trouble" để điền vào chỗ trống. Đồng nghĩa với "trouble" có thể là "difficult" hoặc "challenging".
2. Để trả lời câu hỏi này, ta cần tìm từ đồng nghĩa với "short" để điền vào chỗ trống. Đồng nghĩa với "short" có thể là "lack" hoặc "scarcity".

Câu trả lời:
1. Travelling in big cities is becoming more difficult every day.
2. Less public transport is now available because of the lack of staff.

Hoặc:

1. Travelling in big cities is becoming more challenging every day.
2. Less public transport is now available because of the scarcity of staff.

2. Due to the shortage of staff in public transportation, there are fewer buses and trains available, causing inconvenience for commuters in big cities.

1. The growing population in big cities has contributed to the increase in traffic congestion, making it more troublesome for travelers to get around the city.

2. The shortage of staff in public transport services has led to a decrease in the frequency of buses and trains, making it more inconvenient for people to commute in big cities.

1. In recent years, the increasing number of tourists and population in big cities has made travelling more troublesome with crowded attractions and longer queues at popular tourist spots.