Is this the research center _____you visited the lab last year ?
A. which | B. the one | C.that | D.where |
—Can you describe ___ it happened?
—Yes, I was riding on my bike ___ a car knocked me down from behind.
A.when; as | B.how; as | C.how; when | D.how; while |
The train CRH380A, ___ trial operation on the Shanghai-Hangzhou high-speed railway, set a speed record of 416.6 kilometers per hour.
A.started | B.to start | C.starting | D.being started |
We went to the West Lake yesterday, ___, not surprisingly, was crowded with visitors from all over the world.
A.where | B.which | C.that | D.when |
—Mum, where is my raincoat?
—Oh, I forgot to tell you.It ___ behind the kitchen door.
A.would hang | B.has hung | C.is hanging | D.hung |
The dining room is clean and tidy, with a table already___ for a big meal.
A.laid | B.laying | C.to lay | D.being laid |