.
—She must have gone back to the valley.
—No, she_________. The entrance to it was nowhere to be found.
| A．mustn’t | B．needn’t | C．couldn’t | D．may not |
I suggest he ＿＿ leave at once.
| A．should | B．must | C．would | D．used to |
The book ＿＿, it’s a best-seller.
| A．sell well | B．is sold well | C．has sold well | D．sells well |
. He has promised ＿＿ her to choose her own husband.
| A．to allow | B．allowing | C．allowed | D．to be allowed |
–-Let’s go picnicking.
--- I’d love ＿＿ ,but I am too busy.
| A．it | B．you | C．them | D．to |
Do it as ＿＿.
| A．tell to | B．told about | C．telling to | D．told to |