It was in the lab___was taken charge of by our teacher____ they did the experiment.
A.which; that | B.where; which | C.which; where | D.that;where |
Everyone, please remain ____ until the plane has come to a complete stop.
A.seat | B.seated | C.seating | D.to seat |
I still remember ____ to the Summer Palace and what I saw there.
A.taking | B.to take | C.to be taken | D.being taken |
Most birds find it ____ to sleep in the trees.
A.was safe | B.safe | C.to be safe | D.being safe |
Edward couldn’t remember when he first met Mr. Crook, but he was sure it was ____ Sunday because everybody was at ____ church.
---Would you mind if I take the seat?
--- _____.
A.Yes, sit down, please |
B.No, not at all |
C.Surely, never mind |
D.No, you can’t take it |