A.Quảng Bình.
B.Thanh Hóa
C.Hà Tĩnh.
D.Nghệ An.

A.Tuyên Quang.
B.Sơn La
C.Lào Cai.
D.Hải Phòng.

A.Lạng Sơn.
B.Hà Nội.
C.Vũng Tàu.
D.Cần Thơ.

A.Điện tử
B.Luyện kim đen.
C.Chế biến nông sản.
D.Luyện kim màu.

A.Sông Chu.
B.Sông Gianh.
C.Sông Hiếu.
D.Sông Cả

A.Kiên Giang.
B.Bình Thuận.
C.Tây Ninh.
D.Đắk Lắk.

A.We needn't prepare a present for him.
B.We can't prepare a present for him.
C.We shouldn't prepare a present for him.
D.We may not prepare a present for him.

A.They bought this car three and a half years ago.
B.They was buying this car for three and a half years.
C.This car belonged to them for three a half years.
D.They have bought this car for three and a half years.

A.The boy apologized to his mum for breaking the glass.
B.The boy denied having broken the glass.
C.The boy told his mum to break the glass.
D.The boy refused to have broken the glass.

A.rich
B.healthy
C.fertile
D.wealthy