30.A: Can you break this 100-dollar bill? B: No problem. Here’s your ___.(A) cash (B) change (C) cha
14.John ___ English for five years.(A) studied (B) has studied (C) will have studied (D) is studying
16.You should ___ what your teacher says during the class.(A) take part in (B) look up to (C) pay at
18.Jack: May I speak to Paul?Paul: ___.(A) Speaking (B) Hold on, please (C) Sorry, he’s not in (D)Th
19.A: It was so kind of you to give me a hand.B: It’s my ___.(A) please (B) pleased (C) pleasure (D)
20.A: How do you like your steak?B:___.(A) Sunny-side up (B) Well done (C) Hot with lemon (D) With t
2. Nowadays, computers are __________ in our daily lives. We cannot live without it.(A) disgusting (