一、单句语法填空
1.Silk (become) one of the primary goods traded along the Silk Road by about 100 BCE.
2.When walking down the street,I came across David,whom I (not see) for years.
3.Just as I got to the school gate,I (realise) I had left my bag in the cafe.
4.Jack (work) in the lab when the power cut occurred.
5.—Haven’t seen you for ages!Where have you been?
—I went to Ningxia and (stay) there for one year,teaching as a volunteer.
6.Sofia looked around at all the faces; she had the impression that she (see) most of the guests before.
7.During his stay in Xi’an,Jerry tried almost all the local foods his friends (recommend).
8.She (phone) someone,so I nodded to her and went away.
9.I found the lecture hard to follow because it (start) when I arrived.
10.The twins,who (finish) their homework,were allowed to play badminton on the playground.
11.Writing out all the invitations by hand was more time-consuming than we (expect).
12.—Oh,no!We’re too late.The train (leave).
—That’s OK.We’ll catch the next train to London.
13.I felt very tired when I got home,and I (go) straight to bed.
14.He was unhappy when he sold his guitar.After all,he (has) it for a very long time.
15.I’m calling about the apartment you (advertise) the other day.Could you tell me more about it?
