说明选这个的原因
____everything going well with you there?
A Has B Is C appeared
As soon as they enter the garden,they____by a smiling young lady.
A are greeted B were greeted C are greeting
He never goes home until he ____all his homework.
A finished B has finished C is finished
Our client had to wait while the boss was ____
A hanging up B hanging around C on the plane