When Peter speaks in public, he always has difficulty ______ the right things to say.
| A．thinking of | B．to think of | C．thought of | D．think of |
-- Will the weather be all right for our picnic this weekend?
-- No, ______ we are lucky. The newspaper says it’ll be rainy anyway.
| A．if | B．as | C．though | D．unless |
-- Your spoken Russian is so good. Have you been abroad?
-- Yes. I ______ in Russia for two years.
| A．stay | B．stayed | C．had stayed | D．have stayed |
A murderer has escaped from prison, so a nationwide search for him is ______.
| A．on the way | B．in a way | C．in the way | D．under way |
Several teachers and students are working together to find ______ they hope will be the easiest way to solve this problem.
| A．which | B．that | C．what | D．as |
The Internet has become increasingly popular, ______ us to see as well as to hear all kinds of programmes.
| A．to allow | B．allowing | C．allowed | D．having allowed |