— Mum. This pair of shoes ____ old. Would you buy a new ______？
— OK.I will buy one pair for you tomorrow.
| A．is; one | B．is; pair |
| C．are; one | D．are; pair |
Lilei was late for class yesterday ________ the heavy traffic.
A. because of B. because C. so
I will tell you if he ______ to Beijing tomorrow.
A. come B. comes C. will come
—What will your parents do?
—They will go on a ______ visit to Beijing.
A. seven day B. seven-day C. seven-days
Taiwan is ______ the southeast of China and ______the northeast of Hong Kong.
A. in ; onB. in ; toC. to ; on
Your group’s task is _______ the cost to go there by plane.
A. findB. found C. to find out