They still go on working, they feel tired.
If my father_________ back, please let me know. A. comes B. will come C. come
"Whose notebook is this?" "It ____ Jim's. It has his name on it." A. can't be B. can be C. must be
Mr. Yang wrote a_________story. Most of us enjoyed it a lot. A. two-thousand-words B. two-thousand-word C. two-thousands-word
"Mary, turn off the water_________you are brushing your teeth. " "Sorry, I'll do it at once. " A. until B. while C. during
"Have you ever finished your home work?" "No,______. " A. not yet B. already C. ever