____________ our football team failed in the match, we did our best.
A. Though B. But C. Because D. As
____________ they are brothers, they look like each other.
A. Because B. Though C. When D. So
We will spend our summer holiday in Guilin, but we haven't decided______________.
A. what to buy B. where to go
C. how to go D. which to choose
— When _________ you________ your teeth, Billy?
—Just now.
A. do; brush B. have; brushed
C. did; brush D. was: brushing
When I was walking in the street, I saw a plane___________ over my head.
A. flies B. flying C. flew D. m fly
We ___________ when the teacher came in.
A. were talking B. talked
C. talk D. are talking
