--________ your friend?
-- He is OK.
| A．Who’re | B．How’s |
| C．Who’s | D．How’re |
I wonder _______next month.
| A．where they have the boat races |
| B．Whether they will have the boat races |
| C．they will have the boat races |
| D．whether they have the boat races |
I don't know _______ he will come tomorrow. ________ he comes, I'll tell you.
| A．if; Whether | B．whether; Whether |
| C．if; That | D．if; If |
Icouldn't ____ these new words because I had no dictionary.
| A．look up | B．look for | C．look after | D．look like |
— It's dangerous to swim in this river.
—Yes, you are right. The government has ___ people not to swim in it.
| A．trained | B．warned | C．make | D．encouraged |
There are ___ floors in the building and my home is on the ____ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |