When traveling abroad, we should ______ learn more about local customs so as to avoid unnecessary misunderstanding during communication.

— Shall we go for a walk ________ watch TV?
— That’s a good idea.

—Do you need any help, lucy? –Yes. The job is _____I could do myself.

Receiving the report that the plane crashed, the government took measures        .

More and more high-rise buildings have been built in big cities __________ space.

I had been working for a whole day at that time and was really ____a good rest.

Her spirits remained up __________ her disappointment.

Brown said he was by no means annoyed; ___________ he was glad to be able to make himself clearly understood.

We should discuss the plan _____ before we work it out.

In summer, I enjoy walking along a small river        green grass and red flowers on both sides.