1. Write the correct tense or form of Packet.
Câu 21: At 7 o'clock tomorrow evening, we (perform).......... a new play. Don't miss it.
Câu 22: My teacher said that the invention of light bulb (be).......... very important.
Câu 23: They choose (take).......... the bus to school.
Câu 24: Students may only (borrow).............. four books at a time.