`21` . I wish I were in the beach in Mexico.
`->` Ước cho hiện tại lùi 1 thì về quá khứ đơn
`22` . Is his knowledge of French good enough to work as a translator?
`->` S + be + adj enough + to do sth : ai đó đủ thế nào để làm gì
`23` . The reason I can't go to the cinema tonight is that I have to do a lot of homework
`->` The reason + clause + is that + clause
`24` . Our house was designed by A French architect.
`->` Bị động quá khứ đơn : was/were + Pii
`25` . This is the first time I've ever visited Hue,the ancient captial city in Vietnam.
`->` This is the first/second/third.. + time + mệnh đề hiện tại hoàn thành
