---The boy is tall enough his age.

---Yes, I was much shorter when I was his age.

A. of B. at C. from D. for

---Oh, my god! I’ve left my keys in the office.

---Again? But , let’s see what we can do about it.

A. indeed B. anyway C. instead D. exactly

---Sir, could you please wait for another 20 minutes and we’ll serve you very soon?

---Another 20 minutes? It was only 6 o’clock ____________ I got here, but it’s 7:10 now.

A. since B. when C. while D. before

--- The accident which happened on March 10, 2019 teaches us to care for ourselves and the people around us.

--- So it does. , life is the most important to everyone.

A. First of all B. Above all C. After all D. In all

---The pen looks nice. Who bought it for you?

---It’s a birthday present from my mother. I like it very much and it writes very .

A. completely B. properly C. rapidly D. smoothly

The_____that there is life on other planets has always encouraged scientists to explore the outer space.

A. possibility B. order C. advice D. information

She asked me ________ I had returned the books to the library, I nodded and said “yes”.

A. when B. why C. whether D. how

---Tom said he planned to sell his shop and go to a medical school. It ___________ be true, right?

---Well, you’re probably wrong. He always wants to learn medicine, you know.

A. shouldn’t B. can’t C. needn’t D. mustn’t

---Students should try to do a little studying every evening through the term instead of studying all night during the week before the exam.

---Exactly. ______.

A. Practice makes perfect B. The early bird catches the worm

C. Slow but sure wins the race D. Many hands make light work

Children are just children. When they were told to go on a school trip the next day, excited shouts from the classroom, just as I expected.

A. got out B. broke out C. put out D. worked out