If you don’t know how to spell a new word, you’d better ___ in a dictionary.

I hear Jack Chan will come to Laiwu next week. –Really _______ he comes, my youngersister will be very happy, A．If

Purchasing houses that are environmentally responsible is a good investment for____ about their own health and well-being of the earth.

How was your job interview yesterday — Oh, I couldn’t feel . I could hardly answer most of the questions they asked.

Hardly had the employees ________with their work when the rain stopped