What would have happened ______as far as the river bank ?
| A．Bob had walked farther | B．if Bob should walk farther |
| C．had Bob walked farther | D．if Bob walked farther |
Children should not have more money ___ needed.
| A．which | B．that | C．than | D．as |
---Mary hasn't written to us for a long time.---What do you suppose __ to her?
| A．happened | B．to happen | C．was happened | D．having happened |
| A．are; were | B．is; were | C．are; was | D．is; was |
| A．the; the | B．a; a | C．a; the | D．the; a |
| A．deal | B．dealt | C．to deal | D．dealing |