— I will turn to another topic. Can you follow me well?
— _______. Please go on.
| A．Yes, I will | B．Yes, perfectly | C．No, I won’t | D．No, I can’t |
Sweet memories ______ as I looked at the pictures _____were taken at the beach last summer.
| A．took out; which | B． crowded in; which |
| C．ended up; that | D．dropped by; that |
Dr Yuan makes______ possible______ one-third more of the crop in the same fields.
| A．it; produce | B．it; producing | C．it; to produce | D．it; produced |
The fruit ________ fresh in his fruit stand sells well.
| A．looking | B．looked | C．looks | D．to be looked |
Where was it ______ you _______ our maths teacher?
| A．where; came to | B．that; come across |
| C．that; came across | D．where;come to |
----- Mary looks very upset. She _______ failed to pass the exam.
----- I guess so. It's very difficult after all.
A must have B could have C should have D might have