There’s a lot to do. We can’t __________ to waste any time.
| A．wait | B．afford | C．want | D．have |
John is in trouble now. Let’s go and help.
| A．him | B．his | C．her | D．hers |
I don’t know _________, but I guess he may be a doctor.
| A．what is he | B．how he does |
| C．what he is | D．what does he do |
— I wonder ________ you water this kind of flower.
---Every other day.
| A．how often | B．how long |
| C．how soon | D．how much |
Try on this red skirt; you will look great ________it.
| A．on | B．by | C．in | D．for |
—Will someone go and get Dr White?
—He’s already been _________.
| A．asked for | B．sent for | C．called off | D．looked for |