No one can tell how many sufferings the kidnapped boy ________ when he was rescued yesterday.
| A．had | B．has had | C．had had | D．would have |
— How are they getting on with their work?
— All go well as
| A．to be planned | B．being planned | C．planned | D．planning |
A poet and artist going to speak tomorrow afternoon to us about Chinese literature.
| A．is | B．are | C．was | D．were |
They have arrived at lunchtime, but their flight was delayed.
| A．will | B．can | C．must | D．should |
—I like traveling so much
— do my parents
| A．which | B．What | C．As | D．That |
Please keep until the bus comes to a full stop
| A．seat | B．seated | C．to seat | D．seating |