1.Do need 2.must be finished by 3.What time is 4.don't think 5.It seems that he has many friends.
6.be invited 7.(1)Both Eric and Mike have been to Beijing;(2)so has
1.Do need 2.must be finished by 3.What time is 4.don't think 5.It seems that he has many friends.
6.be invited 7.(1)Both Eric and Mike have been to Beijing;(2)so has