bài 1 Fill in the blank with the correct form of the given word.
1. In most of the .......(nation)................ companies, employees are required to use English competently.
2. He has completed three English courses at this center, but there hasn’t been any .........(improve).............. in his English level.
3. It is a ...................(require).... that students must have at least 6.0 IELTS to take part in that English speaking contest.
4. She prefers a book written only in English to a .............(lingual).......... one.
5. She ...............(pronounce)........ the word, so her foreign friend couldn’t understand what she meant.