So far， the number of people using 5 G mobile phones __________ a lot．（ ）
| A． |
is increasing |
B． |
are increasing |
| C． |
has increased |
D． |
have increased |
I work ______ a teacher in No.1 Middle School.
| A．in | B．at | C．as | D．to |
Helen is ______ American girl and she often plays ______ badminton.
| A．an; the | B．a; an | C．an; / | D．/; the |
I wonder if Linda __________to her mother. If she _________, I will lend my pen to her.
| A．writes, will do | B．will write, does |
| C．writes, does | D．will write, will do |
---I have never heard of the man before.
--- ___________. Let’s surf the Internet to search _______ his information.
| A．So have I, for | B．So I have, at |
| C．Neither I have, for | D．Neither have I, for |
---________ you _________ a new watch yet? The old one is broken.
---Yes, I _________one in the New Century Department last week.
| A．Have, bought; have bought | B．Did, buy; bought |
| C．Have, bought; bought | D．Did, buy; have bought |