- Do you think Mom and Dad_______ late?
- No. Swiss Air is usually on time.
| A．were | B．will be |
| C．are | D．shall be |
---What if I have to go there and know nothing about it?
--- If I______ you, I would try to find some information about it on the Internet.
| A．am | B．was | C．will be | D．were |
These young trees must ______.
| A．look after well | B．be look after well |
| C．be looked well | D．be looked after well |
Many Chinese students found______ difficult to learn English grammar.
| A．that | B．it | C．this | D．one |
---Where are you going, Jack?
--- My hair is too long. I’ll have it _______.
| A．cut | B．cuts | C．cutting | D．to cut |
---Who is the tallest boy?
---It ______ be John.. John is of medium height.
| A．must | B．needn’t | C．might | D．can’t |