Miss Liu, do you have any ideas aboutJiuzhaigou _______ we will play together this summer holidays

It’s very nice of you to carry the box for me. —__________

Lucy looks so upset. She ______ the driving test.— It is the second time that she has failed in the test.

She is getting better by degrees, but it will be some time _____ she is completely well

.The doctor insisted that only by this______ could the patient survive in the operation.