问题

Mark needs to learn Chinese _______his company is opening a branch in Beijing.

A:unless
B:until
C:although
D:since;

正确答案是：

同类题型

What do you think is important for the players on a team –It’s to play together and ______ the best in each other.

It was not until he came back _____ he knewthe police were looking for him.

He tried to go away without being noticed by the teacher, but luck him.

Although the old man lives with his children ,he still feels____.

. — is your brother— A doctor for the children.