The plane takes off at 6:00 p.m. So I have to arrive at the airport ________ 5:30 p.m. at the latest.
A after B. since C. until D. by
—Will you take part in the speech contest？
—____________ I have long been expecting such an activity．
| A．Not at a11． | B．It’s my pleasure． |
| C．But why? | D．That’s for sure． |
The door opens and there ____.
| A．enter the teacher of English and head teacher |
| B．enters the teacher of English and head teacher |
| C．does the teacher of English and head teacher |
| D．the teacher of English and head teacher enter |
It has been accepted that all the students ____ put on masks before going to school in case they are infected with flu virus.
| A．shall | B．will |
| C．need | D．may |
I’ll go to the party with you ____ you don’t wear those strange trousers.
| A．as though | B．in order that |
| C．in that | D．on condition that |
-I need to put a cross on the map to show ____ that famous hotel is.
-____? Mary’s done it already.
| A．where; Why bother | B．wherever; How come |
| C．what; What for | D．whatever; So what |